Index to the US Patent Classification

Index to the US Patent Classification

What follows is part of the Index to the US Manual of Classifications for patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retreive patent titles by entering the class/subclass in the box below.


Enter a class/subclass code here to get a list of patent titles. Use any of the following forms:
363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any subclass letters capitalized. Currently Design Patent titles (those in the classes of the form Dxx.yy) are not retreivable.

Enter class/subclass code:


TITANATE CERAMIC COMPOSITIONS ....... 501/134+

TITANIUM
  ALLOYS ............................420/417
  COMPOSITE METAL STOCK .............428/660
     METAL WORKING DIGEST ...........29/DIG.45
  COMPOUNDS INORGANIC ...............23
  COMPOUNDS ORGANIC .................556/51+
  COPPER ALLOYS .....................420/492
  HEAT TREATMENT ....................148/669+
  LIGHT SENSITIVE TITANIUM COMPOUND .430/947*
  MISC  CHEMICAL MANUFACTURE ........156/DIG.75
  ORGANIC TITANIUM COMPOUNDS ON
     TEXTILES .......................8/DIG.5
  OXIDE AND HYDROXIDE ...............423/608
  PIGMENTS FILLERS AND AGGREGATES ...106/436+
     ELECTROLYTIC ...................204/64.T
  PYROMETALLURGY ....................75/612+

TITLERS
  MOVIE .............................352/90
     STILL COPY DEVICE ..............355/39

TITRATING DEVICES ................... 422/92+

TMS ................................. 395/55

TOASTER
  BREAD .............................99/385+
     AUTOMATIC ......................99/325+
  HOUSEHOLD UNIT ....................D07/328+


TOBACCO ............................. 131
  ALKALOIDS .........................546/282
  BARNS .............................432/500*
  CIGARETTE MAKING ..................131/280+
     TOBACCO FEEDING ................131/108+
  COMMERCIAL PROCESSING MACHINERY ...D15/10+
  CONDITION SENSING
     CONTINUOUS TOBACCO ROD .........131/906*
     DETECTING MACHINE MALFUNCTION ..131/910*
     IN FEED HOPPER .................131/909*
     PNEUMATIC MEANS ................131/904*
     RADIATION SOURCE ...............131/905*
     REJECTION BY ...................131/907*
     UNIQUE CHARACTERISTIC ..........131/908*
  CURER .............................D23/334
  DERRICK HOIST FOR HANGERS .........254/266
  DESIGN, TOBACCO & SMOKER SUPPLIES .D27
  DIE CUTTING .......................83/510
  DRYING
     APPARATUS ......................34
     FLUID TREATMENT COMBINED .......131/300+
     PROCESSES ......................131/300+
  EXTRACT FOR USE IN DRUGS ..........424/197.1
  HANGERS ...........................294/5.5
  HARVESTERS ........................56/27.5
  INSECTICIDE FROM ..................424/197.1
  JAR OR POUCH DESIGN ...............D27/185+
  PACKAGES ..........................206/242+
  PAPER WRAPPERS FOR CIGARS,
     CIGARETTES .....................229/87.1
  PIPE LITERATURE DIGEST ............131/DIG.1
  PIPE MAKING APPARATUS .............425
  PLANTS ............................PLT/100
  PLUG OR COMPRESSED SHAPE MAKING ...131/111+
  PLUG TOBACCO LABEL FOR FASTENER ...40/670
  POCKET RECEPTACLE FOR, CONVERTIBLE 206/236+
     OR COMBINED ....................206/236
  PUFFING PROCESS ...................131/291
     FIXING AFTER PUFFING ...........131/903*
     INORGANIC CHEMICAL AGENTS USED .131/902*
     LIQUIFIED GAS USED .............131/900*
     ORGANIC LIQUID USED ............131/901*
  SMOKERS APPLIANCES ................131/329+
  SPINNING ..........................57/28+
  STALK STRIPPING ...................460/134
  STORAGE OR CURING BUILDING ........D25/1+
  STRINGERS OR UNSTRINGERS ..........414/26
  SUPPLIES ..........................D27
  TREATMENT .........................131/290+
  VEHICLE RACK ......................296/5


TOBIAS ACID ......................... 562/68

TOBOGGAN (SEE SKI; SLED) ............ 280/18
  DESIGN ............................D12/11
  SAUCER TYPE .......................280/18.1
  WATER .............................441/65+

TOCOPHEROL .......................... 549/408+
  IN DRUG ...........................514/458

TOD, TOTAL OXYGEN DEMAND TESTING .... 436/62

TOE
  CAP PROTECTORS ....................36/72.R
  CAPS ..............................36/77.R

TOGGLE (SEE PARTICULAR DEVICE)
  BOLT ..............................411/340+
  FORGING PRESS .....................72/451
  MACHINE ELEMENT ...................74/520+
  SWITCH MECHANISM ..................20/401


TOILET .............................. 132
  AEROBIC DECOMPOSING ...............4/DIG.12
  ANIMAL GROOMING ...................119/83+
     DESIGN .........................D30/158+
  ANIMAL WASTE COLLECTION ...........119/161+
  ARTICLE ...........................D28/9+
     CONTAINER OR WRAPPER ...........493/960*
     HOLDER .........................D28/73
     MIRROR .........................D28/64.1
     SPECIAL PACKAGE ................206/823*
     TOOTH BRUSH ....................D04/104+
     VANITY CASE FOR ................206/235
  BATH, CLOSET, SINK, SPITTOON ......4
  BEAUTY AID DEMONSTRATION ..........434/377
     TEACHING HAIR OR WIG STYLING ...434/94
  BED ...............................5/604
     RECEPTACLE IN MATTRESS .........5/463
  BOWL ..............................4/420+
     BRUSHES ........................15/164+
     DISPENSING TO BOWL .............4/223+
  BRUSH HOLDER ......................D06/551
  BRUSHES, BRISTLED .................D04/130+
  BRUSHES, NON-BRISTLED .............D28/9+
  CASE DESIGN .......................D03/39
  CASE ILLUMINATOR ..................362/135
  CHILDS TRAINING SEAT ..............D23/296
  DEFORMABLE TRAPS ..................4/DIG.16
  DISINFECTION ......................4/222+
  ELECTRIC FLUSHING .................4/DIG.3
  ELECTROLYTIC ......................4/DIG.17
  GROOMING ARTICLES .................132
  HAVING DEFORMABLE TRAP ............4/DIG.13
  HEAD COVERING .....................2/174
  HEATED SEATS ......................4/DIG.6
  KIT ABSENT SPECIAL      401/118
     TOILET ARTICLE, EG MIRROR ......401/118+
  KITS ..............................132/286+
  MANICURE TOOL .....................132/73+
  OIL TOILET ........................4/DIG.11
  PAPER
     DISPENSING HOLDER ..............206/389+
     INTERLEAVED FOLDS ..............221/48+
     ROLL HOLDERS ...................242/55.2+
       DESIGN .......................D06/523
  PRISON BATHROOMS ..................4/DIG.15
  SEAT ..............................4/234+
     COVER ..........................4/245.1+
     PAD OF COVERS ..................4/244.1
     SEAT OR COVER ..................D23/311+
  WATER ADDITIVE OR SUBSTITUTE ......4/DIG.1


TOILET WATER, PERFUME ............... D28/5

TOKENS
  CHECKS LABELS AND TAGS ............283/74+
     COIN TYPE ......................40/27.5
  COIN ..............................D11/95+

TOLIDINE (SEE BENZIDINE)

TOLLERS ............................. 73/863+

TOLUENE (SEE AROMATIC HYDROCARBON) .. 585/400+
  OXIDATION OF ......................562/409+

TOLUIDIN ............................ 564/305

TOMBSTONES (SEE MONUMENT) ........... 52/103+
  DESIGN ............................D99/17+
  NAME PLATE FOR ....................40/124.5
  PICTURE ATTACHMENT FOR ............40/124.5

TOMPIONS ............................ 89/31


TONE
  ARMS OF PHONOGRAPHS
     ELECTRICAL .....................369/135+
     MECHANICAL .....................369/158
  CONTROL MEANS .....................333/24.R+
     EQUALIZER NETWORK ..............333/28.R
     WITH AMPLIFIER .................330
       AUTOMATIC IMPEDANCE CONTROL ..330/144+
       AUTOMATIC THERMAL IMPEDANCE   330/143+
        CONTROL .....................330/143+
       CATHODE FEEDBACK .............330/94+
       FEEDBACK .....................330/109+
       INPUT COUPLING IMPEDANCE .....330/157+
       INTERSTAGE COUPLING IMPEDANCE 330/185+
       OUTPUT COUPLING IMPEDANCE ....330/195+
  MUSICAL PITCH SEE MUSIC

TONER ............................... 430/105+
  CONCENTRATION CONTROL .............118/689+
  RADIATION IMAGING .................430/965*

TONG (SEE LAZY TONGS)
  AGRICULTURE OR FORESTRY ...........D08/4
  ANIMAL CATCHING ...................119/801+
  EXTENSION LADDER ..................182/157+
  FIRE ESCAPES ......................182/69
  FIREPLACE EQUIPMENT ...............D08/52+
  FIREPLACE TONG STAND ..............D06/416
  FOOD PREPARATION & SERVING ........D07/686
  HANDLING IMPLEMENT ................294/3
     CLOTHES ........................294/8.5
     DESIGN .........................D07/686
     FIRE ...........................294/11
     GRAPPLE ........................294/119
  HARVESTER SELF RAKING .............56/165
  MAKING ............................76
  METAL DRAWING APPLIANCE ...........72/290
  ROOFERS SHEET METAL SEAMING .......29/243.5+
  TOOLS .............................81/300+


TONGUE
  DEPRESSORS ........................128/15+
     ATOMIZERS WITH .................128/200.15
     DESIGN .........................D24/136
  ENVELOPE CLOSURE ..................229/84
     SEALING ........................229/82
  HARVESTER TYPE ....................56/218
     TILTING PLATFORM CENTRAL CUTTER 56/188
  KNITTING NEEDLE MAKING ............163/3
  LAND VEHICLE
     ANIMAL DRAFT ...................278/33+
     ANTIVIBRATORS ..................280/108
     ATTACHMENTS ....................280/155
     EXTENSION ACTUATORS ............280/46
     TRAILER, ADJUSTABLE ............280/462
     TRUCK ..........................280/82+
  LOCK TYPE SHOE SOLE SEWING MACHINE 112/33
  PUNCHING TIE BAND .................29/21.1
  RAILWAY SWITCH POINT ..............246/442+
  RIGID VIBRATOR MUSIC INSTRUMENTS ..84/408
  SHOE ..............................36/54
  SINGLE THROW LEVER ACTUATED BY ....414/436
  STRADDLE ROW CULTIVATOR WITHOUT ...172/338+
  VEHICLE BRAKE OPERATOR
     AUXILIARY ......................188/115+
     MOVABLE ........................188/119+

TONOMETERS
  HARDNESS TESTING ..................128/645+
  MEDICAL DIAGNOSTICS ...............128/645+
  MUSICAL PITCH .....................84/454
  SPHYGMOMANOMETER ..................128/677+

TONSILLOTOME ........................ 606/110+
  HEMOSTASIS ........................606/111+
  OTHER TREATMENT COMBINED ..........606/34+


TOOLS (SEE IMPLEMENTS; INSTRUMENTS) . 81
  ABRADING AND POLISHING ............51
  ADVANCING MEANS ...................173/141+
  ASSEMBLING ........................29/700+
  BELT LIFTERS ......................474/130
  BOXES .............................206/349+
  CHEST .............................312/902*
  CLEANING ..........................15/104.1+
  CLEANSING MEANS ...................173/197+
     FISH ...........................452+
     HOG CARCASS SCRAPERS ...........452/94+
     SHIP HULL ......................114/222
  CLOSURE APPLYING AND REMOVING
     AMMUNITION CAPPING .............86/37+
     AMMUNITION SHELL CLOSING .......86/28
     BOTTLE AND JAR CLOSING .........53/287+
     BOTTLE CAP WITH OPENER .........215/228+
     BOX OPENERS ....................254/18+
     CAN HEAD WITH OPENER ...........220/260+
     CAN OPENERS ....................30/400+
     CAP REMOVAL FACILITATED ........215/295+
     CLOSURE REMOVING ...............81/3.7+
  COMPLEX FOR DEFORMING METAL .......72/394+
  COMPOUND ..........................7
     MAGNETIC FEATURE, COLLECTION ...7/900*
     RESILIENT PIVOT, COLLECTION ....7/901*
  COOLER ............................62/293
  CUTLERY ...........................30
  DENTAL ............................433/25+
     ORTHODONTIC ....................433/3+
  DESIGN OF .........................D08
  DETACHABLE,PORTABLE,POWER-DRIVEN ..30/500
  DIAMOND ...........................125/39
     DRILL HAVING DIAMOND EDGE ......408/145
     HOLDERS FOR ABRADING AND        51/229+
       POLISHING ....................51/229
     MAKING BLANK OR PROCESS ........76/101.1+
     MAKING DIES ....................76/107.1+
     MAKING DRILLS ..................76/108.1+
     PRECIOUS STONE WORKING .........125/30.1
  DRIVING MEANS .....................173
     METAL DEFORMING MACHINE ........72/429+
     VIBRATION ISOLATION ............173/162.1+
  EARTHWORKING ......................172
     BORING OR DRILLING .............175
     HAND FORKS AND SHOVELS .........294/49+
     HAND MANIPULATED CULTIVATING ...172/371+
     HAND RAKES .....................56/400.1+
     HANDLING HAND AND HOIST LINE ...294/2
     MINING AND DISINTEGRATING
       IN SITU ......................299/79+
     SPADE OR SHOVEL WITH CUTTER ....7/116+
     SUBSOIL IRRIGATORS AND
       WEED KILLERS .................405/35+
  ELECTRICALLY HEATED ...............219/221+
  ELONGATED HANDLES .................D08/DIG.7+
  FARRIERY ..........................168/45
  FEED ..............................173/141+
     EARTH BORING TYPE ..............175/162
  FOOD HANDLING .....................D07/669
     CHERRY SEEDING .................30/113.1+
     CORN HUSKING ...................460/26
     CORN SHELLERS ..................460/45
     CUTLERY ........................30
     MEAT AND VEGETABLE PREPARING ...30
     OYSTER OPENERS .................452/13+
     PEACH STONER ...................30/113.1+
     RAISIN SEEDING .................30/113.1+
     SCORING ........................30/164.9
  HAIR DRESSING OR MANICURING .......D28/9
  HAND ..............................81
     ASSEMBLY OR DISASSEMBLY ........29/270+
     COOLER .........................62/293
  HANDLE ............................81/489+
  HANDLES ...........................7/167+
  HANDLING ..........................294
  HOLDERS
     CARRIED BY BELT ................224/904*
     FOR DENTAL MACHINES ............433/77+
     FOR METAL LATHES ...............82/159+
  IMPACTING DEVICE ..................173/90+
  LEATHER ...........................69/20
     BOOT AND SHOE MAKING ...........12/103
  MAKING ............................76
     BY DIE ROLLING .................72/184+
     CUTTING SPIRALLY GROOVED .......409/65+
     GRINDING TO SHAPE OR SHARPEN ...51
     SHARPENING ELECTROLYTICALLY ....204/129.1+
  MANICURING ........................132/73+
  MEDICAL OR SURGICAL ...............D24
  METAL WORKING
     ASSEMBLY, MAGNETIC, OR INDICIA
       TOOLS ........................29/DIG.105
     BOLT NAIL NUT RIVET AND SCREW
       MAKING .......................470/25
     CUTTING & PUNCHING SHEETS & BARS  83
     DEFORMING ......................72/462+
     DESIGN .........................D15/122+
     HORSESHOE MAKING ...............59/60
     METAL TOOL AND IMPLEMENT MAKING 76
     SOLDERING ......................228/51+
     TOOL OR WORK ATTACHED ..........29/DIG.104
     WIRE WORKING ...................140
  MOTORS
  MULTIPURPOSE ......................7
  NUT LOCK TOOL .....................81/10
  PLIERS AND TONGS ..................81/300+
  PUSHING AND PULLING ...............254
  RACK-TYPE HOLDER ..................D08/71
  RACK-TYPE HOLDER ..................D08/349+
  SELF HEATING WITH BURNER ..........126/401+
  SHARPENER .........................83/174
  SHAVING OR HAIR CLIPPING ..........D28/44+
  SHOE MAKING .......................12/103
  STONE WORKING .....................125/36+
  TELEPHONE DIALING .................379/456
  TIRE
     BEAD SPREADING .................254/50.1+
     BREAKERS FOR SPLIT RIMS ........157/1.35+
     REPAIRING ......................81/15.2+
     REPAIRING WITH VULCANIZING .....425/12
     SETTING AND REMOVING ...........157/1.1+
     VALVE STEM CAP WITH TOOL .......152/431
  TOP AND DIES ......................408/215+
  VALVE REMOVAL TOOLS ...............29/221.6
  VEHICLE-MOUNTED ...................83/928*
  VISES .............................269
     BARREL CHAMFERING ..............147/42
     DESIGN, HARDWARE ...............D08
     DESIGN, MACHINERY ..............D15/122+
     TURNING ........................142/56
  WRENCHES ..........................81/52+
     IMPACT .........................81/463+


TOOTH (SEE TEETH)
  AGRICULTURAL AND EARTHWORKING
     IMPLEMENTS
     CULTIVATOR TOOTH STRUCTURE .....172/713
     DIGGERS ........................171
     EXCAVATING TOOTH ...............37/452+
       TOOTH MOUNTING ...............37/455+
     HAND CULTIVATING TOOL ..........172/378+
     HAND RAKES .....................56/400.21
     HARROWS ........................172
     HORSE DRAWN RAKES ..............56/400
     PLANTING DRILL .................111/154+
     RAKING MACHINE .................56/344+
  BRUSHES ...........................15/167.1
     DESIGN .........................D04/104+
     DISPENSING .....................132/311
     HOLDER .........................D06/524+
     KIT ............................132/308
     MATERIAL SUPPLY COMBINED .......401/268+
     RECEPTACLE FOR .................206/361+
     WITH MASSAGE TOOL ..............15/110
  COMB TEETH CUTTING ................144/26
  COMBS .............................132/152+
  DENTIFRICES .......................424/49+
  DENTISTRY .........................433/167+
     DESIGN .........................D24
     PULP TESTER ....................433/32
  GEAR ..............................74/457+
     LUBRICATION ....................74/468
     TESTING ........................73/162
  INSERTED TOOTH METALWORKING        407/33+
     CUTTER .........................407/33+
  KIT
     BRUSH OR PASTE RETAINED ........401/118+
  MAKING
     APPARATUS ......................29/23.1
     FORGING ........................72/376
     GEAR CUTTING ...................409/1+
     METHOD .........................29/895.31
     SAW TOOTH ......................76/25.1+
     TOOTHED ARTICLE ................83/908*
     TOOTHED CYLINDER
  PASTE .............................424/49+
     HOLDER-SQUEEZER ................D06/541
     TUBE ...........................222/92+
  PICKS .............................132/321+
     DESIGN .........................D28/64
     MAKING .........................144/185+
     PACKAGING ......................53/236
     RECEPTACLE .....................206/380+
  STONE SAWING ......................125/22
  TOOTH ARTICLE MAKING ..............83/908*
  VEHICLE FENDER ....................293/53
  WOOD SAWING .......................83/835+
     FASTENINGS .....................83/840+

TOOTHBRUSH SEE ALSO TOOTH ........... D04/104+

TOOTHPICK
  COCKTAIL-TYPE PICK ................D07/683+
  HOLDER, HOUSEHOLD .................D07/635
  HOLDER, PERSONAL ..................D28/64

TOP BOARDS
  VEHICLE BODY ......................296/32+
     CONVERTIBLE BOX ................296/13
     SECURING DEVICES ...............296/36

TOPICAL REMEDIES .................... 424
  BIOACTIVE SYNTHETIC POLYMER .......424/78.2+
  VETERINARY ........................424

TOPPERS
  BEET ..............................99/635+
     DIGGING FOLLOWED BY TOPPING ....171/26+
  HARVESTING GRAIN OR CORN CROPS
     CUTTER AND CATCHER COMBINED ....56/56+
     CUTTER COMBINED ................56/63

TOPS
  BED
     BEDSTEAD POST TOP KNOB .........5/281
     SLAT FRAME TOP .................5/244
  CHANCE DEVICE .....................273/147
  COUNTER ...........................312/140.3
  LAND VEHICLE ......................296/98+
     DESIGN .........................D12/156
  METALLURGICAL FURNACE TOP .........266/199
  STILL TOP CLOSURE .................202/250+
  STOVE .............................126/211+
  TABLE PANEL .......................52/783+
  TOY ...............................446/256+
     DESIGN .........................D21/95+
     MOTORIZED ......................446/259


TORCH
  SOLID FUEL ........................44/540

TORCHES (SEE FLARE; ILLUMINATING)
  DESIGN ............................D26/8
  LIQUID FUEL BURNER ................431/327
     WITH COMMON SUPPORT FOR IGNITER 431/127+
  PYROTECHNIC .......................102/336+

TORPEDO
  AERIAL ............................244/14
  AUTOMATIC CONTROLLED STEERING .....114/23+
  GUARDS ............................114/240.R+
     NET TYPE .......................114/241
  MARINE ............................114/20.1+
     BOATS ..........................114/18+
     GUARDS .........................114/240.A+
     LAUNCHING ......................114/238+
     SUBMARINE BOATS ................114/316+
  RAILWAY SIGNAL ....................246/487
     PLACING MECHANISM ..............246/210+
  REMOTE CONTROL ....................114/21.3
  TOY ...............................102/353
  WELL ..............................102/301+

TORPEDO BOATS ....................... 114/18
  SUBMARINE .........................114/316+


TORQUE
  BRAKE TESTING LEVER MEASURING .....73/131
  CLUTCH CONTROL BY .................192/54+
  CONTROLS HOIST ....................254/275
  DYNAMOMETERS
     ABSORPTION .....................73/862.8+
     TRANSMISSION ...................73/862.191+
     WRENCH .........................73/862.21
  GEARING CONTROL BY ................74/337
     PLANETARY SEE NOTES THEREUNDER .475/254+
  RAILWAY ROLLING STOCK
     AXLE ARM .......................105/132.1
     OPPOSING EQUALIZER .............105/135
  TUBES .............................74/607
  WRENCH OVERLOAD YIELDING ..........81/467+

TORSIOMETERS ........................ 73/847+

TORSION
  BALANCES ..........................73/383
  CLOCK PENDULUMS ...................368/180
  ROD FOR DUMPING HORSE RAKE ........56/392
  SPRING CLOSERS ....................16/75+
  SPRING LOCOMOTIVE .................105/70
  SPRING TROLLEY ERECTOR ............191/69
  TESTING
     STRESS STRAIN ..................73/847+
     VIBRATION ......................73/650
  VEHICLE SPRING ....................267/273+
     LEAF AND .......................267/25+

TOTAL OXYGEN DEMAND, TOD ............ 436/62

TOTALIZERS .......................... 235
  WEIGHER COMBINED ..................177/15+

TOUCH SYSTEMS, ELECTRIC POWER ....... 323/904*


TOUPEES ............................. 132/53+

TOURNIQUETS ......................... 606/203

TOW SPREADING ....................... 28/282

TOW TRUCK
  DESIGN ............................D12/14

TOW-TO-TOP STAPILIZING .............. 19+

TOWELS .............................. D06/608
  DISPENSING ........................312/34.1+
     REELS ..........................242/55.2+
     SHEETS .........................D06/522
  PACKAGED TOWEL ....................206/812*
  RACKS .............................211/16
     DESIGN .........................D06/512+
     LOCK COMBINED ..................211/6
     STACKED ARTICLE TYPE ...........211/50+

TOWER (SEE MAST)
  BISULPHITE PROCESS ................423/520
  CHEMICAL APPARATUS ................422
     DISTILLATION ...................202
     OIL FRACTIONATING ..............196/139
  FIRE ESCAPE .......................182/48+
  GAS AND LIQUID CONTACT ............261
  OVERHEAD ELECTRICAL CONDUCTOR .....174/45.R
     FIRE EXTINGUISHING .............169/25
  RAILWAY ...........................104/125
  SUSPENSION BRIDGE .................14/21
  TYPE ANTENNA ......................343/874+
  WHEELED WATER .....................169/25


TOWING SEE TRACTION
  AERIAL SIGNS ......................40/215
  AERIAL TARGETS ....................273/360+
  ATTACHMENTS FOR WHEELED VEHICLES ..280/292
  CRANE, SELF PROPELLED .............212/141
  MARINE PROPULSION .................440/33+
  SHIPS .............................114/242+
  VEHICLE TOW CHAINS AND ROPES ......280/480

TOXIC WASTE DESTRUCTION OR 588
 CONTAINMENT ........................588

TOXIFERINE .......................... 540/472

TOYS ................................ 446
  AIRCRAFT ..........................446/34
  AQUATIC ...........................446/153+
  BUILDINGS .........................446/476+
  CONSTRUCTION TOYS .................446/85+
  CONTAINER OR WRAPPER ..............493/959*
  DESIGN ............................D21/59+
  DRUMS .............................84/420
  FIGURE TOYS .......................446/268+
  FIGURE WHEELED TOYS ...............446/269+
  FIREARMS ..........................42/54+
  FLYING ............................446/34+
  HANDLER-TYPE TOYS .................414/915*
  INFLATABLE ........................446/220+
     DESIGN .........................D21/59+
  MAGNETIC ..........................446/129+
  MODEL AIRPLANE CONTROLS ...........244/190
  MONEY BOXES .......................446/8+
  MUSIC BOXES .......................84/94.2+
  RAILWAY TRACK .....................238/10.E
  REMOTE CONTROL OF .................446/454+
     ELECTRIC TOY TRAINS ............104/295+
  SCALE MODEL VEHICLE DESIGN ........D21/128+
  SOAP BUBBLE DEVICES ...............446/15+
  SOUNDING TOYS .....................446/397+
  SOUNDING WHEELED TOYS .............446/409+
  SPINNING AND WHIRLING .............446/236+
  TORPEDOES .........................102/353
  WATCHES ...........................368/45
  WHEELED TOYS ......................446/431+


TR, I.E  TRANSMIT RECEIVE OR TRANSMIT 333/13
  TR BOX IN RADIO SET ...............455/76+
  TRANSMIT-RECEIVE CIRCUITRY ........367/903*

TRACE
  HARNESS ...........................102/353+
     CARRIERS .......................54/54+
     DESIGN .........................D30/134+
     DETACHERS FROM SINGLETREES .....278/24+
     HAME AND TRACE CONNECTORS ......54/30+
     THILL OR POLE CONNECTIONS ......278/118
     WHIFFLETREE CONNECTIONS ........278/102+

TRACER .............................. 409/126
  AMMUNITION ........................102/513
     EXPLOSIVE SHELL ................102/513
  RADIOACTIVE COMPOSITION ...........976/DIG.422
  RADIOACTIVE COMPOSITION AS ........252/625+

TRACHEOTOMY ......................... 606/185

TRACING BOARD ....................... D19/52


TRACK SEE RAIL
  CLEARERS
     HARVESTER ......................56/314+
     RAILWAY ........................104/279+
     SNOW EXCAVATING ................37/198+
     WHEEL PATH OF EARTHWORKING
       TRACTOR ......................172/833
  ENDLESS FLEXIBLE ..................305
     LAND VEHICLE COMBINED ..........280/28.5
     MOTOR VEHICLE COMBINED .........180/9.1+
     SHOE MAKING ....................29/891.1
     STEP ASCENDING VEHICLE COMBINED 280/5.22
  ENDLESS TRACK .....................305
  LAYERS RAILWAY ....................104/2+
  LEVELING GAUGE ....................33/287
  LIGHT, TRACK-TYPE .................D26/61+
  MARINE TOWING .....................440/35
  MATERIAL AND ARTICLE HANDLING
     PIVOTED TRACK ELEVATOR OR HOIST 414/597
     TILTING ........................414/357
     TILTING TRACK ELEVATOR OR HOIST 414/599
     VERTICALLY MOVABLE .............414/354+
  MOTOR VEHICLE .....................180/9+
  OPERATED SAWMILL CARRIAGE .........83/716
  PANEL .............................16/96.R+
  RAILWAY ...........................104
     GRADE CROSSING PROTECTION ......246/111+
     GUARD FENCE ....................256/14+
     GUARD GATE .....................49/133+
     IRON FORGING DIES ..............72/343+
     MECHANISM AUTOMATIC SIGNALS AND 246/297+
       GATES ........................246/297+
     MECHANISM AUTOMATIC SWITCHES ...246/322+
     PUSHERS ON LOCOMOTIVES .........105/31
     SURFACE ........................238
     TESTING ........................73/8
     TRIPS CAB SIGNAL OR TRAIN
       CONTROL ......................246/201+
     TRIPS ELECTRIC .................246/76
  SANDERS ...........................291
  STORE SERVICE .....................186/34
  WHEEL SUBSTITUTE ..................305

TRACKER ............................. 84/151+
  BOX LOCATION ......................84/116
  DOUBLE TRACKER FOR PNEUMATIC
     PLAYER PIANOS ..................84/31+
  PLURAL SHEETS FOR SINGLE TRACKER ..84/120
  TRACKER COMBINED WITH SHEET .......84/146+


TRACKWAY
  CABINET COMBINED ..................312
     DISAPPEARING INSTRUMENT TYPE
       CABINET ......................312/21+
     EXTERNAL .......................312/349
     INTERNAL .......................312/350
     SHOWCASE TYPE CABINET ..........312/114+
  RACK COMBINED .....................211/162
     PAPER OR TEXTILE SHEET TYPE
       RACK .........................211/46
     SHELF TYPE RACK ................108/143
     WALL OR WINDOW TYPE RACK .......211/94
  RAILWAY ...........................104
     SURFACE TRACK ..................238
  TRUNK TRAY ........................190/29+


TRACTION
  ENGINES
     RAILWAY ........................105/26.5+
     STEAM, MOTOR VEHICLE ...........180/36+
  FLOOR AND WALL CLEANERS
     PUMP ...........................15/341+
  MOTOR VEHICLE
     BY OTHER THAN WHEEL ............180/7.1+
       ENDLESS FLEXIBLE TRACK .......180/90
       STEPPER ......................180/8.1+
     RUNNER SUPPORTED ...............180/182+
       ENDLESS TRACK ................180/190
       ENDLESS TRACK SUBSTITUTABLE
        FOR WHEEL ...................180/184
       TRACTION WHEEL ...............180/184
     SUCTION EFFECT .................180/164
     VERTICAL SURFACE TRAVERSING
       DEVICE .......................180/901*
     WHEEL, ADDITIONAL TRACTION .....180/15
     WHEEL, TRACTION, ATTACHMENTS ...180/16
  OPERATED
     HARVESTERS .....................56/211
     RAILWAYS .......................104/165+
     STONEWORKING TOOLS .............125/37
     VACUUM CLEANER .................15/341+
  PRIME MOVER DYNAMO PLANT ..........290/45
     ELECTRIC CONTROL ...............290/9+
  RAILWAY
     MATS ...........................238/14
     MAXIMUM TRACTION TYPE BRAKES ...188/48
  RAZORS
     BLADE MOVING MEANS .............30/46
  REGULATORS FOR LOCOMOTIVES ........105/73+
  RUNNER VEHICLES (SEE MOTOR VEHICLE ABOVE)
     TRACTION WHEEL, OCCUPANT
       PROPELLED VEHICLE ............280/12.13+
     WHEEL DRIVE ....................280/12.13+
  SURFACE COATING OR PLASTIC ........106/36
  WHEEL
     LAND VEHICLE ...................301/41.1+
     RAILWAY TURNTABLE ACTUATORS ....104/43


TRACTORS (SEE MOTOR VEHICLES)
  CAB ...............................180/89.12
  DESIGN ............................D15/23+
  HANDLING DEVICE ON TRACTOR DEVICE .414/920*
  OBSTETRIC .........................606/119+
  PUSHER ATTACHMENT FOR .............293/DIG.1
  TOY SIMULATION ....................446/434
  TRACTOR MOUNTED MORTAR MIXING      366/606*
     CHAMBER ........................366/606*

TRAFFIC CONTROL
  ACCIDENT DISPLAY ..................434/305
  AIR ...............................342/36
  AIRWAY ............................340/945+
     COMPUTER CONTROLLED, MONITORED .364/439+
  BARRIER ...........................404/6+
  BUILDING STRUCTURE ................52/174+
  COMPUTER CONTROLLED, MONITORED ....364/436+
  DIRECTOR ..........................404/9+
  LIGHTS ............................340/907+
     DESIGN .........................D10/115
  RAILWAY ...........................246
  SIGNALS AND GUIDES ................116/63.R
     DESIGN .........................D10/109+
     IN PAVEMENT ....................404/9+
       ELECTRIC .....................362/153.1
     REFLECTIVE TRIANGLE FOR HIGHWAY 40/903*
       USE ..........................40/903*
     STATIONARY SIGNS ...............40/612+

TRAGACANTH .......................... 536/114

TRAILER
  BOAT CARRYING .....................280/414.1
  COUPLING ..........................280/504+
  DESIGN ............................D12/101+
  HITCH .............................D12/162
  LAND VEHICLE ......................280/400+
  MOBILE HOME DESIGN ................D12/101+
  SEMITRAILER .......................280/423.1+
  TWO WHEELED .......................280/400+
     DUMPING ........................298/5+


TRAIN
  AIRCRAFT ..........................244/3
  AUTOMATIC STOP ....................246/167.R+
  BRAKE
     FLUID AUTOMATIC ................303/47
     FLUID MULTIPLE MOTORS ..........303/7+
     FLUID MULTIPLE MOTORS VALVES ...303/53
     RAILWAY ........................188/34
     RAILWAY AUTOMATIC ..............188/124+
     RAILWAY AUTOMATIC MOMENTUM .....188/147+
     VEHICLE ........................188/3.R
     VEHICLE AUTOMATIC ..............188/112.R
  CHEMICAL APPARATUS ................422/189+
  CLOCK ELECTRIC SWITCH .............20/35.R+
  CONTROL AUTOMATIC .................246/167.R+
  COUPLING TYPE PIPE OR CABLE
     SUPPORT ........................248/53
  DISPATCHING .......................246/2.R+
  GEAR
     YIELDABLE ELEMENT ..............74/411
  HEATING
     STEAM CAR BOILER PLUS TRAIN
       STEAM ........................237/42
     WATER HEATED BY TRAIN STEAM ....237/34+
  HOROLOGY
     CLOCK ..........................368/62+
     DIAL ...........................368/220
     WATCH ..........................368/268
  LAND VEHICLE ......................280/400+
     OCCUPANT PROPELLED TRACTOR .....280/204
  LIGHTING ..........................362/61+
  MOTOR VEHICLE .....................180/14.1+
  RAILWAY ...........................105/1.4+
     AUDIBLE INDICATORS .............246/217
     BLOCK SIGNAL SYSTEMS ...........246/20+
     CAB SIGNAL OR TRAIN CONTROL ....246/167.R+
     DISPATCHING ....................246/2.R+
     DRAWBRIDGE PROTECTION ..........246/118+
     ELECTRIC SWITCH ................246/220
     ENDLESS ........................104/25
     FLUID MOTOR ACTUATED ...........246/260
     GRADE CROSSING PROTECTION ......246/111+
     MOVING .........................104/18+
     PASSENGERS STATION SIGNALS .....246/209
     POSITION INDICATION ............246/122.R
     RAILWAY SIGNAL STRUCTURE .......246/473.R+
     ROADWAY DEFECT PROTECTION ......246/120+
     SWITCH STANDS ..................246/394
     TORPEDO MECHANISM ..............246/210+
     TRAIN CARRIED STATION INDICATOR 246/174+
  VEHICLE PRIME MOVER DYNAMO PLANTS .290/3


TRAINABLE PROCESSING SYSTEMS ........ 395/20+

TRAINING ............................ 434
  AIRCRAFT ..........................434/30+
  ANIMAL ............................119/712+
     HARNESS ........................54/71+
  HEDGE .............................47/4
  ORDNANCE ..........................89/41.1+
  PHYSICAL ON RAILS .................104/62
  VEHICLE ...........................434/29+
  WAR ...............................434/11

TRAMPOLINE .......................... 482/27+
  DESIGN ............................D21/235
  LIFE SAVING NETS ..................182/138+

TRANSACTINIDE CHEMISTRY ............. 423/249+

TRANSACTINIDE CHEMISTRY ............. 534/11+

TRANSALKYLATION
 (SEE DISPROPORTIONATION)

TRANSCEIVER ......................... 455/73+

TRANSDUCERS
  ANGULAR POSITION MEASUREMENT ......33/1.PT
  PIEZOELECTRICAL ...................84/DIG.24
  UNDERWATER VIBRATION ..............367/141+


TRANSDUCTOR (SEE AMPLIFIER SATURABLE
 CORE REACTOR SYSTEMS)


TRANSFER
  APPLYING PROCESSES ................156/230+
  BED, INVALID LIFTER ...............5/81.1+
  COATED ARTICLE ....................427/146+
  DECALCOMANIA SEE DECALCOMANIA .....428/914*
  DESIGNS FOR HOT IRON ..............8/467+
  DEVICES FOR KNITTING MACHINES .....66/148
  DIRECT CONTACT TRANSFER ...........156
     APPARATUS ......................156/539+
     METHODS ........................156/230+
  DYEING ............................8/467+
  EGG CANDLING ......................356/55+
  ELECTRICAL TRANSMISSION
     TABLE ..........................191/9
  ELECTROPHOTOGRAPHIC LATENT IMAGE ..355/217
  ELECTROPHOTOGRAPHIC VISIBLE IMAGE .355/271+
  HEAT ..............................165
  IDENTIFYING OR FRAUD PREVENTING ...428/915*
  LAMINA PROCESSES ..................156/230+
  LAMINATE ..........................428
  LIQUID
     RECIPROCATING VALVES ...........137/251.1+
     REGULATORS .....................137/505.16
  MAKING BY COATING .................427/146+
  PAPER CARBONLESS ..................503/200+
  PAPER FILES AND BINDERS
  PICTURE SEE DECALCOMANIA
  PIPES WITH HEAT TRANSFER ..........138/38
  PRINTING
     BED AND CYLINDER ...............101/251+
     INTAGLIO .......................101/154
     MULTICOLOR .....................101/177
     PLANOGRAPHIC ...................101/142+
     PREPARATORY DESIGNS ............101/33+
     ROTARY .........................101/217+
  RAILWAY
     PASSENGER ......................104/20+
     TABLES .........................104/48+
     TROLLEY ........................104/96+
  REGISTER ..........................235/133.R+
  SHEET
     INSERTER, REMOVER, FORK ........402/80.R
     TRANSFER POST ..................402/47
  STRIPPING OF BACKING ..............156/247+
  TEXTILE SMOOTHING MACHINE
     ARTICLE ........................38/7+
  TEXTILES WEAVING
     BOBBIN CHANGING ................139/242+
     BOBBIN CHANGING TIPS ...........139/244
     THREAD CONTROL CUTTER ..........139/267
  TOBACCO ...........................131/82
     MOLDING OR FORMING WITH BUNCH
       TRANSFER .....................131/82
     WRAPPER ........................131/105
  TRANSPORTATION ....................283/27+
     WITH FRAUD PREVENTION OR
       DETECTION ....................283/72+
  TYPE CASTING
     ASSEMBLING .....................199/32
     ASSEMBLING COLLECTOR & TRANSFER 199/26
     DISTRIBUTING ...................199/36
  WOOD SAWING
     LOG ............................83/708+

TRANSFER OR DECAL ................... D05/63+

TRANSFORMATION, NUCLEAR ............. 376/100

TRANSFORMATION, NUCLEAR ............. 376/156


TRANSFORMERS ........................ 336
  ARC LAMP SUPPLIED BY ..............314/32
  DIFFERENTIAL TRANSFORMER ..........33/DIG.5
  ELECTRIC ..........................336
  FOR ARC LAMP SYSTEMS ..............314/32
  FOR INCANDESCENT LAMPS SYSTEMS ....315/276+
  HOUSING OR MOUNTING ASSEMBLY ......361/836
  IN AMPLIFIER
  INDUCTION HEATING SYSTEM ..........219/6.5+
  INDUCTION HEATING TYPE ............219/10.75
  INPUT COUPLING ....................330/188+
  INTERSTAGE COUPLING ...............330/165+
  LAMP OR ELECTRONIC TUBE SUPPLIED   315/276
     BY .............................315/276+
  METAL HEATING SYSTEM ..............219/50+
  MOVABLE CORE TYPE .................336/130+
  OUTPUT COUPLING ...................330/195+
  PLATE .............................336
  POWER .............................D13/110+
  REGULATING ........................336
     INTERCONNECTION SYSTEMS ........307
     SYSTEMS ........................323
  SATURATING TRANSFORMER ............336/155
     EXTERNAL OR OPERATOR CONTROLLED 323/329
     INPUT RESPONSIVE ...............323/302
     OUTPUT RESPONSIVE ..............323/249
     REGULATING SYSTEM ..............323
  STRUCTURE .........................336
     SELF REGULATING ................323/310
  TELEGRAPH SYSTEM ..................178/64
  TUNED HIGH FREQUENCY ..............333/177+

TRANSGENIC ANIMAL ................... 80/2

TRANSISTOR (SEE AMPLIFIER, ELECTRIC)  257
  AMPLIFIERS ........................330/250+
  COMPOSITION .......................252/62.3R
  FIELD EFFECT, MAKING (PROCESS) ....437
  MAKING ............................29/25.1+
     PROCESS ........................437
  PHOTO-RESPONSIVE, MAKING ..........437
  SYSTEMS SEE SYSTEM
     MISCELLANEOUS ..................307/200.1+
     TESTER .........................D10/77


TRANSITS ............................ 33/290
  OPTICAL ...........................356/138+

TRANSLATING
  AGITATOR MIXING CHAMBER STATIONARY 366/332+
  AGITATOR STIRRER ..................366/343+
     COVER COMBINED .................366/255+
  GATE ..............................49/404+
     OPERATOR .......................49/324+
  MUSIC
     ELECTRIC .......................84/600+
     TRANSPOSING ....................84/470.R+
  PLOW ..............................172/483+
  STEERING POST .....................74/496+
  TELEGRAPHIC PRINTER ...............178/26.1


TRANSMISSION (SEE GEARING)
  AIRCRAFT POWER PLANT ..............244/60
  AUTOMOTIVE LOCK ...................70/245+
  CENTRIFUGAL BOWL SEPARATOR WITH ...223/23+
  CLUTCH CONTROL WITH ...............192/3.51+
  CONTROL AND BRAKE .................192/4.R+
  DESIGN ............................D15/149
  ELECTRIC
     CRANES TRANSMISSION TO .........191
     DISTRIBUTION ...................307
     FACSIMILE ......................358/400+
     FILTER NETWORK .................333/167+
     LIGHT WAVE .....................359/109+
     MULTIPLEXING ...................370
     POWER TRANSMISSION .............307
     PULSE OR DIGITAL COMMUNICATIONS 375
     QUARTER WAVE TRANSMISION LINE ..333/27
     RADIO ..........................455/91+
     SAFETY SYSTEM FOR TRANSMISSION  361/1
       LINES ........................361/1
     SIGNAL BOX .....................340/287+
     SIGNAL TRANSMITTERS ............341/173+
       HAND HELD ....................341/20+
     TELECOMMUNICATIONS .............455
     TELEGRAPH ......................178
     TELEVISION .....................358/83+
     TRANSMISSION TO VEHICLES .......191
     TRANSMIT-RECEIVE CIRCUITRY .....367/903*
  FLUID
     LAMP ELECTRODE .................314/61
     POWER PLANT ....................60
     PUMP WITH MOTOR ................417/379+
     RAILWAY CAR AXLE DRIVE .........105/96.2
     SCALES .........................177/208+
  GUIDE FOR A SHIFTABLE HANDLER .....414/918*
  HEAT
     HEAT EXCHANGERS ................165/185
     LIQUID HEATERS AND VAPORIZERS ..122/367.1
  INTERNAL COMBUSTION ENGINE ........123/197.1
  LAMP ELECTRODE POWER CONTROL ......314/79+
  LATCH OPERATED CLUTCH .............192/24+
  LINE ..............................174/103+
     CONCENTRIC .....................174/103+
     INVOLVING LINE PARAMETERS ......333/236+
     RESONANT .......................333/236+
     WITH NONSOLID INSULATION .......174/28+
  MACHINE ELEMENT ...................74
     BELT & PULLEY DRIVE SYSTEM .....474
     PLANETARY GEARING ..............475
  MOTOR VEHICLE .....................180/337+
     HAVING TWO WHEELS IN TANDEM ....180/230
     SAFETY BELT RESPONSIVE TO
       TRANSMISSION THEREOF .........180/269
  RAILWAY CAR AXLE BOX MOUNTED ......105/96.1
  ROTARY CRANE ......................212/247+
  TOWER OR POST .....................D25/126+

TRANSMUTATION OF ELEMENTS FISSION ... 976/DIG.396+
TRANSMUTATION OF ELEMENTS FISSION ... 376/156
  BY FUSION .........................376/100

TRANSOM (SEE WINDOW)
  OPERATORS .........................49/356
  RAILWAY TRUCK .....................105/208+
     BOLSTER COMBINED ...............105/202+

TRANSPARENCY
  PRODUCT WITH ABNORMAL .............428/918*
  TESTING AND INSPECTING SHEETS .....356/432+
  VIEWER ............................40/361+
  WALLED RECEPTACLE .................220/662+

TRANSPLANTERS ....................... 111/100+
  BIODEGRADABLE RECEPTACLE ..........47/74+
  DIBBLING IMPLEMENTS ...............111/92+
  RECEPTACLES .......................47/73+
     BIG BALL TREE ..................47/76
  SEEDLING ..........................47/77+
  TREE ..............................111/101

TRANSPONDERS - RADAR ............... 342/42


TRANSPORTATION (SEE VEHICLE HANDLING)
  ADVANCING MATERIAL OF INDETERMINATE
     LENGTH .........................226
  AQUATIC ANIMAL CULTURING HANDING
     AND TRANSPORTATION .............119/201+
  PRINTED MATTER ....................283/23+
  VEHICLE DESIGN ....................D12

TRANSPORTING ATTACHMENTS HARVESTERS . 56/228

TRANSPOSERS
  ELECTRIC CONDUCTORS ...............174/33+
  MUSIC
     INDICATORS WITH TRANSPOSING
       DIAL .........................84/480
     KEYBOARD TRANSPOSERS ...........84/445+
     TEACHING DEVICE WITH
       TRANSPOSING DIAL .............84/474
     TEACHING DEVICE WITH
       TRANSPOSING SLIDE ............84/473
     TRACKER AND MUSIC SHEET
       SHIFTED TO CHANGE KEY ........84/145

TRANSPOSING OF MUSIC ................ 984/310+

TRANSURANIUM COMPOUNDS
  INORGANIC .........................423/250+
  ORGANIC ...........................534/11+