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:


CARBOCYANINE DYES ................... 546/152+
  PHOTOGRAPHIC EMULSIONS CONTAINING .430/541

CARBOCYCLIC ......................... 260/350.R+

CARBODIIMIDES ....................... 564/252
  POLYMERS FROM (SEE SYNTHETIC RESIN OR NATURAL RUBBER)
  STRUCTURE IN CELLULAR POLYMER .....521/901*

CARBOHYDRATE, SUGAR AND STARCH ...... 127
  COATING OR PLASTIC COMPOSITIONS ...106/162+
  DERIVATIVES .......................536/1.11+
     NITROGEN CONTAINING ............536/18.7+
  DIASTOLIC MASHING .................435/93+
  FERMENTATIVE PURIFICATION .........435/262+
  POLYMERS CONTAINING (SEE SYNTHETIC
     RESIN OR NATURAL RUBBER)
  WAVE ENERGY PREPARATION ...........204/157.68


CARBOLIC ACID (SEE PHENOLS)


CARBON .............................. 423/445.R+
  ABSORBENTS ........................502/416+
     CARBONIZING PROCESSES ..........502/416+
     REGENERATION ...................502/20+
  ACTIVATED .........................502/180+
  AGGLOMERATING .....................23/314
  APPARATUS FOR MAKING ..............422/150+
  COMPOSITIONS CONTAINING SYNTHETIC
     RESIN OR NATURAL RUBBER  SEE
     CLASSES 523, 524
  COMPOUNDS .........................260
     PREPARATION BY WAVE ENERGY .....204/157.6
  DIOXIDE ...........................423/415.1
     HYDROGENATION OF ...............518/700+
     REFRIGERATING WITH .............62/384+
     REFRIGERATING WITH, AUTOMATIC ..62/165+
     SOLIDIFIERS ....................62/8+
     SYNTHESIS GAS CONTAINING .......252/373
  DISULPHIDE ........................423/443+
     BIOCIDES CONTAINING ............424/707
       CARBON DISULPHIDE ............424/701
     VISCOSE PREPARATION ............536/60+
  ELECTRIC FURNACES FOR TREATMENT
  ELECTRIC LAMP FILAMENT ............252/500+
  ELECTRODE SEE ELECTRODE
     ARC LAMPS CONSUMABLE ...........314/60
     FURNACE ........................373/88+
     SPACE DISCHARGE DEVICE .........313/326+
  ELECTROLYTIC ELECTRODES ...........204/294
  FIBRE .............................423/447.1
     PROCESSES OF MANUFACTURE .......423/447.1
     PRODUCT PER SE .................423/447.2
  FILAMENTS .........................313/341+
  FLUOROCARBON PREPARATION FROM .....570/150
  LAYER IMPREGNATED OR COATED .......428/408
  LEAF AND STRIP ....................462
     PREPARATION BY COATING .........427/153+
     TYPEWRITER .....................40/497+
  LUBRICANTS CONTAINING .............252/16+
  MICROPHONE, GRANULAR ..............381/180+
  MODERATOR STRUCTURE ...............376/350
  MODERATOR STRUCTURE     376/458
     FOR NUCLEAR REACTORS ...........376/458
  MONOXIDE ..........................423/418.2
     CARBOXYLIC ACID PRODUCTION
       ACYCLIC ACID .................562/517+
       ALICYCLIC ACID ...............562/497
       AROMATIC ACID ................562/406
       UTILIZING ....................562
     GENERATOR ......................48/85
     HYDROGEN PRODUCTION UTILIZING ..423/648.1
     HYDROGENATION OF ...............518/700+
     NEUTRALIZING AGENTS FOR ........252/189+
     ORGANIC ACID PRODUCTION         562/408+
       UTILIZING ....................562/408+
     SYNTHESIS GAS CONTAINING .......252/373
  PAINTS CONTAINING .................106/261
  PAPER .............................428/488.1+
     CONTAINER ......................206/215
     DESIGN .........................D19/1
     FLUX ...........................148/23+
  PIGMENTS ..........................106/472+
  PREPARATION BY CARBONIZATION ......201
  PREPARATION BY ELECTROCHEMISTRY ...204/173
  PREVENTION IN MINERAL OIL
     CONVERSION .....................208/48.R
  REFRACTORY COMPOSITIONS ...........501/99+
  REMOVAL (SEE DECARBONIZING)
  SAVER ARC LAMP ....................313/335
  TETRACHLORIDE .....................570/101+

CARBON BLACK ........................ 423/449.1

CARBONATE ........................... 423/419.1+
  ELECTROLYTIC SYNTHESIS ............204/87+
  ESTERS OF CARBONIC ACID ...........558/260+
  FERTILIZERS CONTAINING ............71
  FIRE EXTINGUISHING COMPOSITIONS
     CONTAINING .....................252/7

CARBONATION
  ALCOHOLIC BEVERAGE PROCESSES WITH .426/592
  BEVERAGE ..........................261
     WITH FLAVORING MEANS ...........99/323.2
  CARBONATION EQUIPMENT .............D07/300+
  CARBONATORS .......................261/DIG.7
  COLLOID SYSTEMS FOAMS .............252/307
  FIRE EXTINGUISHING COMPOSITIONS ...252/8
  FOAM CONTROL IN HANDLING137/170.1+
     GAS CHARGED LIQUIDS ............137/170.1+
  GAS AND LIQUID CONTACT APPARATUS ..261

CARBONIC OR CHLORCARBONIC ACID        558/260+
 ESTERS .............................558/260

CARBONIUM ION PRODUCTION IN585/942*
 HYDROCARBON SYNTHESIS ..............585/942*


CARBONIZING (SEE CARBURIZING)
  ABSORBENTS ........................502/416+
  BARREL INTERIORS ..................432/224
  DISTILLATION ......................201
     APPARATUS ......................202
  FABRICS ...........................8/140
  HAZARDOUS OR TOXIC WASTE588
     CONTAINMENT ....................588
  MOLDED ARTICLE ....................264/29.1
     FIBER FORMATION ................264/29.2
     FIBER, FABRIC OR TEXTILE .......423/447.1
  OVENS .............................202/215+
  PROCESSES .........................201
     MINERAL OILS ...................208/46+
  TEXTILES ..........................8/140
     APPARATUS ......................68/2

CARBONLESS TRANSFER PAPER ........... 503/200+

CARBONYL HALIDES .................... 562/840

CARBONYLAMIDES ...................... 564/123+
  STABILIZED OR PRESERVED ...........564/4

CARBONYLS ........................... 423/416


CARBOXAMIDES ........................ 564/123+
  ACYCLIC ACID AMIDES ...............564/192
     ALDEHYDE OR KETONE CTG ACID ....564/199+
     HALOGEN CTG ACID ...............564/209+
     HYDROXY OR ETHER CTG ACID ......564/201+
     LOWER FATTY ACID ...............564/215+
     NITROGEN CTG ACID ..............564/193+
     UNSATURATED ACID ...............564/204+
  ALICYCLIC ACID AMIDES .............564/188+
  AMINIMINE CTG .....................564/147
  AROMATIC ACID AMIDES ..............564/161+
     ALDEHYDE OR KETONE CTG ACID ....564/169
     DIPHENYL METHANE CTG ACID ......564/181
     HYDROXY OR ETHER CTG ACID ......564/170+
       PHENOXY ALKANOIC CTG ACID ....564/175
     MONOCYCLIC CTG ACID ............564/182+
     NITROGEN CTG ACID ..............564/163+
     POLYCYCLO CTG ACID .............564/180
     SULFUR CTG ACID ................564/162
  HYDAZINE CTG ......................564/148+
  PLURAL CARBOXAMIDES ...............564/152+
  PREPARATION
     BY ACID HYDROLYSIS ONLY OF      564/129
       NITRILE ......................564/129
     BY CATALYTIC HYDRATION ONLY OF  564/126
       NITRILE ......................564/126
     BY NITRATION OF AMIDES .........564/146
     FROM ACYCLIC NITRILE ...........564/130
       UNSATURATED ..................564/131
     FROM CARBON MONOXIDE OR DIOXIDE 564/132
     FROM CARBOXLIC ACIDS OF         564/133
       FUNCTIONAL DERIVATIVE ........564/133
       FROM ACIDS ...................564/138+
       FROM ANHYDRIDES ..............564/144
       FROM ESTERS ..................564/134
     FROM CYANO COMPOUND ............564/124+
     FROM HCN OR CYANOGEN ...........564/125
       FROM ACID HALIDES ............564/142+

CARBOXYLATE (SEE CARBOXYLIC ACID)

CARBOXYLIC ACID ANHYDRIDES .......... 562/887+


CARBOXYLIC ACID ESTERS .............. 560/1+
  AROMATIC ..........................562/405+
  FERMENTATIVE PRODUCTION OF ........435/136+
  HYDROPHENANTHRENE NUCLEUS CTG .....562/403+
  WITH PRESERVATIVE .................560/2+

CARBOY SEE BOTTLE ................... D09/516+
  DISPENSER CASING ..................222/183
     JACKETED .......................222/131
  SPACED WALL OR JACKET .............215/12.1+
     METALLIC .......................220/445+

CARBURETOR
  CARBURETING PROCESSES HEATING GAS .48/219
     HYDROGEN .......................48/199.R
     WATER ..........................48/205
  DEICERS FOR .......................261/DIG.2
  DRAWING EXCESS FUEL FROM261/DIG.21
     CARBURETING PASSAGE ............261/DIG.21
  FLUID AMPLIFIERS IN ...............261/DIG.69
  GAS AND LIQUID CONTACT APPARATUS ..261
  HEATING AND ILLUMINATING GAS       48/144
     GENERATOR ......................48/144+
     CUPOLA WATER ...................48/79+
     HYDROGEN .......................48/116+
     OIL AND STEAM ..................48/96
     WATER ..........................48/109
  HEATING AND ILLUMINATING GAS       48/180.1+
     MIXERS .........................48/180.1+
  INTERNAL COMBUSTION ENGINE
     ADDITIONAL AIR SUPPLY ..........123/26
     CHARGE FORMING .................123/434+
     SPRAY NOZZLES ..................239
  LIQUIFIED PETROLEUM GAS (LPG) .....48/180.1+
  MANIFOLDS .........................261/DIG.36
  PRIMERS ...........................261/DIG.8
  PRIMERS, TICKLERS .................261/DIG.73
  PROCESSES,CARBURETORS .............261/DIG.45
  SURGE PREVENTION IN ...............261/DIG.5
  VENTURI ...........................261/DIG.12
  WITH SUPERCHARGING BLOWERS ........261/DIG.51
  WITH VALVES .......................261/DIG.52
  WITH VENTED BOWL ..................261/DIG.67


CARBURIZING
  APPARATUS .........................266/249+
  CONTINUOUS CASTING COMBINED .......164/473
  METAL CASTING COMBINED ............164/55.1+
  METAL TREATMENT ...................148/206+
  MOLTEN IRON OR IRON ALLOYS         75/561
     WITH SOLID .....................75/561
     WITH SOLID AND GAS .............75/532

CARBYLAMINES ........................ 558/302+

CARCASS
  LABELS OR TAGS ....................40/625+
     X-ART COLLECTION ...............40/908*
  SPLITTING, BUTCHERING .............452/149+


CARD ................................ D19/34.1
  ADDRESSING PLATE COMBINED .........101/369
  ASSORTING .........................209/613
  CASE AND HOLDER ...................150/147+
     CASE DESIGN ....................D03/56+
     COIN ...........................229/92.9
     POCKET TYPE ....................206/39+
     TRAYS ..........................206/425+
     TYPEWRITER PAPER ...............40/521+
  CLOTHING
     FIBER PREPARATION ..............19/114
     GRINDING .......................51/242+
     WIREWORKING ....................140/97+
  CORDAGE ...........................242/50
  DESIGN ............................D19/1+
  DISPENSING
     FEEDING OR DELIVERING ..........271
     PACKAGES .......................206/233
     POCKET CASE ....................206/39+
  EXHIBITING ........................40
     DESIGN .........................D20/10+
     MAGAZINE .......................312/50
     PACKAGES .......................206/44.11
     RACKS ..........................211/50+
     TRAYS ..........................206/425
  FABRIC WINDING ....................242/61
  FILE DIRECTORY ....................40/371+
  GREETING
     DESIGN .........................D19/1
     POSTAL .........................229/92.8
     SUBJECT MATTER .................283/117
     TOYS ...........................446/147+
  GRINDERS ..........................51/242+
  HOLDER OR FILE ....................D19/75
  INDEX .............................40/380
  INDEXED ...........................283/36+
  LABEL AFFIXING MACHINE ............156
  LETTER SHEETS .....................229/92.1
  MATCH .............................44/507+
     FOLDER .........................206/104+
  MUSIC TEACHING ....................84/481
  PLAYING ...........................273/292+
     DESIGN .........................D21/42+
  POSTAL PACKETS ....................229/92.8
     DESIGN .........................D19/1+
  PROTRUSION TO RECEIVE   40/360
     IDENTIFICATION .................40/360
  RACK ..............................211/44
     PICTURE OR BUSINESS CARD        40/124
       DISPLAY ......................40/124
  RACK STACKED ARTICLE ..............211/50
  RECEIVER PLATE ....................D06/449+
  RECORD MACHINE CONTROL ............235/487
  RETAINING CABINET .................312/183+
  SELECTION
     MAGNETIC CODE ..................209/569
     PERIPHERAL SHAPE ...............209/608
  SEWING MACHINE ....................112/4
  STOP MOTIONS FOR JACQUARD LOOMS ...139/338
  SUPPORT ...........................D06/396
  TABLES FOLDING ....................108/115+
  TRAY-TYPE CONTAINER ...............206/557+
  VERIFYING .........................73/156
  WEAVING PATTERN ...................139/333
  WORKMENS, TIME ....................346/134

CARD OR SHEET DISPENSER ............. 221/33+

CARDBOARD
  BOXES .............................229/100+
     MAKING MACHINE .................493/52

CARDENOLIDES ........................ 540/105

CARDIAC SEE HEART
  CARDIOVASCULAR DIAGNOSIS ..........128/668

CARDIGAN ............................ D02/754

CARDING ............................. 19/98+
  CARD CLOTHING MAKING ..............140/97+
  SAFETY PINS .......................227/25
  TOBACCO
     CIGAR AND CIGARETTE MAKING
       COMBINED .....................131/109.1
     LEAF DISINTEGRATING ............131/311+
     STEMMING .......................131/321
  TWISTING COMBINED .................57/327

CARDIOGRAPHS SEE ELECTROCARDIOGRAPHS


CARILLONS ........................... 84/406+

CARILLONS ........................... 984/206

CARLINE ............................. 52/46+

CAROTENE SYNTHESIS .................. 585/351

CAROUSEL ............................ D21/249


CARPET
  ATTACHMENT (SEE FASTENERS) ........16/1.R
     ANTI-SLIP (SEE FASTENERS) ......16/1.R
     STIFFENER ......................16/1.R
  AXMINSTER .........................139/399+
     APPARATUS ......................139/7.R+
  CLEANING MACHINERY ................D32/15+
  COATED ............................428/96
  CUSHION AND PADDING ...............D05
  DESIGN, CARPET PER SE .............D06/582
  DESIGN, YARD GOODS FOR ............D05
  DYEING ............................8/929*
  ELECTRICALLY HEATED ...............219/528+
  FASTENER ..........................16/4+
  FRINGED ...........................428/115
  INSTALLATION COMPOUND TOOLS .......7/103+
  KNITTED ...........................66/194
  LAMINATED .........................428/96
  PILE OR NAP TYPE ..................428/85+
  SEAM BONDING ......................156/304.7
  SEWING MACHINES ...................112/7+
  SHEET RUNNERS .....................D05
  STRETCHER .........................294/8.6
     MECHANICAL ADVANTAGE UTILIZING .254/200+
  SUCTION CLEANER ...................15/300.1+
  SWEEPER ...........................15/41.1+
     DESIGN .........................D32/50+
  TUFTING ...........................112/410+
     WOVEN ..........................139/399
  WEIGHT ............................16/1.R
  WILTON BRUSSELS OR VELVET .........139/391+
     MAKING .........................139/37+
  WOVEN .............................139/391+
  YARDGOODS DESIGN ..................D05

CARPORT OR GARAGE ................... D25/34


CARRIAGE
  BABY ..............................280/47.38+
     DESIGN .........................D12/128
     POWERED ........................180/166
  BLANKET OR ROBE DESIGN ............D06/603+
  FEED
     CALCULATOR .....................235/63.R
     LATHE ..........................82/132+
     SHEET METAL SPINNING PATTERN    72/81
       CONTROLLED ...................72/81
     STEEPING-MOTOR DRIVE FOR .......40/903*
  FIREARM ...........................42/94
  FLUID MOTOR TIDE OR WAVE ..........60/497+
  MANUFACTURE
     IRONS FORGING DIES .............72/472+
  ORDNANCE ..........................89/37.1+
  TOOL OR WORK
     BAND SAW .......................83/406.1
     CIRCULAR SAW RECIPROCATING .....83/435.1
     CIRCULAR SAW ROTARY ............83/409.1
     CIRCULAR SAW SWINGING ..........83/730
     COOPERING CROZING STAVES
       ENDLESS STAVE ................147/19
       SLIDING STAVE ................147/20
       SWINGING STAVE ...............147/21
     COOPERING JOINTING STAVES SAW
       SLIDING ......................147/30
       TILTING ......................147/31
     DIMINISHING WORK PIECE SLICER ..83/703+
     MECHANICAL MOVEMENT ............74
       ROTARY GEARING ...............74/353
       SWINGING GEARING .............74/354
     SAW MAKING RECIPROCATING TOOL ..76/33
     SAW MAKING ROTATING TOOL
       PIVOTED ......................76/42
       SLIDING ......................76/43
     SAWMILL ........................83/713+
     SHEET METAL CONTAINER SEAMING ..413/69+
     SHINGLE SAWING .................83/704+
     TEXTILE APPARATUS DOFFING OR    57/268+
       DONNING ......................57/268+
     TEXTILE APPARATUS DRAWING ......57/320
       CHECKS .......................57/320
     TRAVELING CUTTER FOR SHEETS AND 83/614
       BARS .........................83/614
     WIRE FABRIC MAKING .............140/29
     WOOD TURNING ...................142/47
  TRAVERSING HOIST
     HOLDERS ........................212/122
     RELEASE ........................212/112
  TYPEWRITER ........................40/352+
  VEHICLE
     LAND ...........................280
     LAND BODIES AND TOPS ...........296
     LAND DUMPING ...................298
     MOTOR ..........................180


CARRIER (SEE BUCKET; CONVEYOR; RECEPTACLES)
  ARTICLE OR PACKAGE CARRIER ........224
  BABY ..............................D03/31
  BOTTLE ............................294
     MULTIPLE TYPE GRAPPLE ..........294/87.1+
  BRAIDING TEXTILES .................87/33+
  BRAKES FOR SINGLE RAIL CONVEYOR
     TYPE ...........................188/42
  BRICK .............................294/62+
  CAMERA PLATE ......................354/178+
  CARTRIDGE .........................224/223+
     BANDOLEER ......................224/203
     COVERED ........................224/239
  CASE FOR SEWING MACHINE OR
     TYPEWRITER .....................312/208.6
  CASKET ............................27/27
  CASTING APPARATUS .................164/323+
  CHUTES SKIDS GUIDES AND WAYS ......193
  COOKING APPARATUS .................99/324+
  CORPSE ............................27/28
  DUMPING SCOWS .....................114/27+
  EARTH BORING CUTTINGS TYPE ........175
  ELEVATOR TYPE MATERIAL HANDLING ...414/592+
     CARRIER OPERATED FEED ..........414/609+
     INCLINED .......................414/595+
  ENDLESS
     ARTICLE MAGAZINE ...............312/97
       FROM STATIC SUPPORT ..........198/506+
     AUXILIARY ITEM STORING
       SECTION ......................198/347.1+
     BETWEEN PLURAL CONVEYERS .......198/620+
     BOTTLE BRUSHING MACHINE ........15/60
     BUCKET .........................198/701+
     CAN BODY FEEDING ...............413/45+
     CHECK RELEASED ARTICLE DELIVERY 194
     COIN TRAP CLOSURE ..............232/56
     CUTTING HARVESTERS .............56/181+
     DRAGLINE SCOOP COMBINED ........414/569
     DRYING HOUSE ...................34/207
     FIRE ESCAPE ....................182/42+
     FLEXIBLE POCKET ................198/715
     FURNACE CHARGING RECIPROCATING .414/156
       BY DRIVEN FORCE ..............414/198
     FURNACE CHARGING TYPE ..........414/147+
     GRAIN SEPARATOR STRAW ..........460/86
     HOIST COMBINED .................414/564
     HOPPER BOTTOM FORMING ..........198/550.1
       HAVING GRAVITY CONVEYER
        SECTION .....................198/550.1+
     ITEM HOLDER ....................198/375+
     ITEM HOLDER ....................198/688.1+
     LOADING MACHINE TYPE, BUCKETS ..198/509
     MOLD FOR METAL .................164/324
     PLURAL MOLD CIGARETTE MAKING ...131/87
     PLURAL ROTARY CONVEYER .........198/608
     POTATO DIGGER ..................171/94
     POTATO DIGGER ..................171/111+
     RACK ...........................211/121+
     RAKING AND LOADING HARVESTERS ..56/345+
     RECIPROCATING ABRADING TOOL ....51/61
     ROTARY ABRADING TOOL ...........51/76.R
     SHEAF ..........................56/477
     SHEET DRYING APPARATUS .........34/162
     SHOWCASE .......................312/134
     TRAVELING BAND ABRADER .........51/138
     VEHICLE LOADING EXTERNAL .......414/398
     VEHICLE UNLOADING EXTERNAL .....414/390+
     WOOD PLANER ....................144/123
  FEED TABLES FOR SHEARING MACHINES .414/677
  FIRE ESCAPE CHUTE OR TOWER ........182/48+
  FIRE OR HEAT SHIELD ...............182/47
  FLUID CURRENT .....................406/184+
  FURNACE CHARGING OR DISCHARGING ...414/147+
  FURNACE FUEL FEEDERS ..............110/101.R+
  GLASS MOLD ........................65/361
  GRAIN SEPARATOR STRAW .............460/86+
  HAND HELD .........................294/137+
  HARNESS TRACE .....................54/54+
  HARVESTER .........................56/474+
     CORN ...........................56/121
  HOSE OR NOZZLE SUPPORT LADDER
     COMBINED .......................248/78
  MECHANICAL GUN PROJECTILES ........124/41.1+
  OCCUPANT PROPELLED VEHICLE
     COMBINED .......................280/202+
  PACKAGE AND ARTICLE ...............224
  PERSON ............................224/158+
     HAND HELD ......................294/140+
  PHOTOGRAPHIC FLUID TREATMENT ......354/297+
  PIVOTED
     CUTTING MACHINE KNIFE ..........83/597+
     SCREW THREADING MACHINE CHASER .408/150+
     SHOE NAILING MACHINE ...........227/41
  PNEUMATIC DISPATCH ................406/184+
  RAILWAY DRAWBAR ...................213
  RECIPROCATING
     ABRADING BAND ..................51/142
     CUTTING MACHINE KNIFE ..........83/613+
     ENVELOP MACHINE ................493/186
     SHOE NAILING MACHINE ...........227/99+
  REEL ..............................242/85+
     DESIGN .........................D08/358+
     DESIGN, FISHING ................D22/137+
     FABRIC .........................242/64
     HOSE ...........................242/86+
  ROTATING
     ACETYLENE GENERATOR CARBIDE     48/48
       FEED .........................48/48
     ARTICLE HEATING ................432/138
     BOTTLE BRUSHING MACHINE ........15/63+
     CAN BODY FEEDING ...............413/50
     COTTON PICKER SPINDLE ..........56/44+
     DRYING APPARATUS ...............34/184+
     FURNACE CHARGING RECIPROCATING .414/156
     NEEDLE MAKING ..................163/4
     PHOTOGRAPHIC FLUID TREATING ....354/313
     PLURAL MOLD CIGARETTE MAKING ...131/87
     SELECTIVE PRINTING PLATE .......101/62
     SHOE NAILING MACHINE ...........227/99+
     SLIDE ..........................353/117
     TOBACCO PLUG MAKING ............131/115
     WOOD SHAPING WORK ..............144/154
  SELECTIVE CONVEYOR DELIVERY .......414/227+
     CONTROLLED BY CONDITION OF      414/232
       SITE .........................414/232
  SEWING MACHINE ARTICLE ATTACHING ..112/104+
  SEWING MACHINE WORK ...............112/121.12
  SEWING MACHINE WORK ...............112/121.15
  SHUTTLE THREAD CARRIER SUPPORTS ...139/206+
  SLEEPING COMPARTMENT COMBINED .....224/923*
  SPOOL SUPPORTS ....................242/136
  STORE SERVICE .....................186
  STRAP .............................294/149+
  SWINGING
     DRYING APPARATUS ...............34/184+
  TELEPHONE .........................379/64+
  TEXTILE FLUID TREATMENT ...........68
  TRAVERSING HOIST ROPE .............212/117+
  TRUSS PAD .........................128/106.1
  TYPE CASTING MATRIX CARRIERS ......199
  UMBRELLA ..........................224/186+
     FOLDED UMBRELLA ................224/915*
  VEHICLE ATTACHED ..................224/273+
  VEHICLE LOADING AND UNLOADING .....414/340+
     FORMING A TRAIN OF VEHICLES ....414/339
     FORWARD MOVEMENT ONLOADS .......414/338
     FORWARD MOVEMENT UNLOADS .......414/337
     PARTLY INDEPENDENT OF VEHICLE ..414/334+
     TRACTOR-TRAILER TO UNLOAD ......414/333
  VERTICALLY SWINGING ...............414/680+
     TILTING ........................414/743
  WEAPON (SEE TYPE OF WEAPON) .......224
  WEFT REPLENISHING FEELER ..........139/269+
  WHEELED DRUM ......................242/95

CARRIER CURRENT
  MODULATOR .........................332
  RADIO SYSTEM ......................455
  TELEGRAPH SYSTEM ..................178/66.1+
     MULTIPLEX ......................370/45
  TELEPHONE SYSTEM ..................379/64+
     COMBINED WITH POWER LINE .......379/66
     MULTIPLEX ......................370/69.1


CARRIER WAVE REPEATER OR RELAY ...... 455/7+
  FREQUENCY DIVISION MULTIPLEXING ...370/75
  PULSE OR DIGITAL ..................375/3+
  TIME DIVISION MULTIPLEXING ........370/97

CARROTING ........................... 8/112
  APPARATUS .........................69/28

CARROUSEL ........................... 472/1+
  ORGAN .............................84/84+

CART (SEE VEHICLE)
  BRAKES ............................188/19
  HARNESS SADDLES ...................54/39.1
  SHOPPING ..........................280/47.26
     NESTING ........................280/33.991+

CARTON, PAPERBOARD .................. 229/100+
  CUTTER ............................83/946*
  FILLING AND SEALING ...............53
  FLAP DEFLECTOR OR CLOSER ..........414/906*
  FORMING MACHINES ..................493/52
  OPENERS ...........................53/381.1+
     DISPENSING CARTON ..............222/80+
     OPENERS, CUTLERY ...............30/2
     TOOLS ..........................30/2

CARTOON MOTION PICTURE PHOTOGRAPHY .. 352/50


CARTRIDGES (SEE DETONATORS, SIGNAL
 AND INDICATORS)
  BALL POINT ........................401/209+
  BELT WITH CARTRIDGE HOLDER ........D03/100
  BELTS .............................89/35.1
  BEVERAGE INFUSER ..................99/295
  CARBIDE FEED ACETYLENE GENERATOR ..48/47
  CARBIDE FOR ACETYLENE GENERATOR ...48/59
  CARRIERS BODY OR BELT ATTACHED ....224/223+
     BANDOLEER ......................224/203
     COVERED FLAPS ..................224/239
  CASE ..............................102/464+
     CASE NECKING DIE SHAPING .......72/352+
     EDGE TRIMMER ...................29/1.32
     EXTRACTING TOOLS ...............81/3.5
  EXPLOSIVE .........................102/430+
     BELTS, DISINTEGRATING ..........89/35.2+
     BLASTING .......................102/314+
     CASE MAKING ....................29/1.3+
     CASELESS .......................102/431+
     CHUTES .........................193/25.AC+
     COMBUSTIBLE ....................102/700*
     FEEDING AMMUNITION MAKING ......86/45+
     FEEDING GUN (SEE MAGAZINE) .....89/33.1+
     LOADING ........................86/23+
     MAKING .........................86/10+
     PACKING ........................86/47
     PRIMING ........................86/32+
     PYROTECHNIC ....................102/346
  FILM PACK OR CARTRIDGE ............430/471
  FILM PACK WITH STRUCTURE ..........354/275+
  FUSE ELECTRIC .....................337/228+
  INK RUPTURABLE ....................401/132+
  MATERIAL CONTAINING FOR DISPENSER .222/325+
     TILTABLE HOLDER FOR ............222/165
  MOTION PICTURE FILM ...............242/197+
  PICTURE FILM ......................D14/121
  TAPE RECORDING OR MOTION PICTURE
     FILM ...........................242/197+
     CONTAINER FOR ..................206/387

CARVACROL ........................... 568/781

CARVING
  WOOD PROCESSES ....................144/363+


CASCADE
  CONNECTION FOR ALTERNATING         318/49+
     CURRENT MOTORS .................318/49+
  REFRIGERATION .....................62/335
     AUTOMATIC ......................62/175


CASE (SEE CASING; RECEPTACLES)
  BLACKING BOX AND BRUSH ............15/258
     BLACKING OR BRUSH RETAINED .....401/118+
  BODY AND BELT ATTACHED ............224/191+
  BODY ELECTRIC APPLICATORS .........607/149+
  CARDCASE ..........................150/147+
  CARTRIDGE .........................102/464+
  CIGAR .............................206/242+
     COMBINATION ....................206/38
  CIGARETTE PACK ....................D27/186+
  CLOCK .............................368/276+
     DESIGN .........................D10/1+
  CRANK .............................123
  FISHING ROD .......................43/26
  FOR TRANSPORT, HANDLING OF GOODS ..D34/40+
  HARDENING .........................148/206+
  LIGHTED SHOWCASE ..................362/125+
  MATCHES ...........................D27/173+
  PAPER CELL MAKING .................493/90
  PASS OR IDENTIFICATION CARD .......40/642+
     DESIGN .........................D19/9+
  PIANO .............................84/177+
     AUTOMATIC ......................84/80+
  POCKET FOR SMOKING PIPE ...........206/244
  PROTECTIVE ........................206/521+
  REED ORGAN ........................84/352+
  SAMPLE ............................190/16+
  SHIFT
     TYPEWRITER RIBBON MECHANISM ....40/216.6+
     TYPEWRITING MACHINES ...........40/251+
  SHOW ..............................312/114+
     DESIGN, STORE FURNITURE ........D06
  SPECIAL ...........................206
     MUSICAL INSTRUMENT .............206/314+
     POCKET AND PERSONAL USE ........206/37+
     SPECTACLE ......................206/5+
  TENNIS RACKET .....................273/74
  TYPE ..............................276/44+
  UMBRELLA ..........................135/34.2
     HOLLOW HANDLE ..................135/25.41
     IMITATION CANE COMBINED ........135/18+
  UPENDING BED ......................5/159.1+
  VEHICLE FOLDABLE TO TRAVELING .....280/37
  VIOLIN ............................206/14
  WATCH .............................368/276+
     DESIGN .........................D10/30+
  WATCH MANUFACTURING PROCESSES .....29/179
  WOODEN ............................217/5+
     BARREL .........................217/73
     BOTTLE MAILING .................217/127
     EGG ............................217/18+
     INSULATED ......................217/128+


CASED GLASS MAKING .................. 65/60.1

CASEIN .............................. 530/360
  COATING OR PLASTIC COMPOSITIONS
     CONTAINING .....................106/138+
  FOODS .............................426/656

CASEMENT
  HOUSED ROLL .......................160/26
  METAL WINDOW FASTENERS ............292/DIG.33

CASH REGISTER AND RECORDER .......... D18/4+
  COIN BOX ..........................235/100
  COMBINED ..........................235/2+
  COMPUTER CONTROLLED, MONITORED ....364/405
  FARE ..............................235/33+
  RECORDERS .........................235/4+
  REGISTERS .........................235/7.R+

CASHEW NUT SHELL LIQUOR ............. 562/475
  POLYMERS FROM (SEE ALSO SYNTHETIC  528/1+
     RESIN OR NATURAL RUBBER) .......528/1+

CASHMERES, DESIGN ................... D06/603+


CASING (SEE CASE; ENVELOPE; GUARD;
 HOUSING; PACKAGE)
  ABRADING APPARATUS ................51/268+
  BEARINGS ..........................384
  BODY LIGHT ........................607/90+
  BOILER ............................122/494
     STAND TYPE WATER TUBE ..........122/19
     VERTICAL SECTIONAL .............122/224
  BOOK MAKING .......................412/1
  BRUSHES AND BROOMS ................15/171+
  CAR STOVE PROTECTIVE ..............126/57
  CLOSURE FASTENING BOLT ............292/337
  CLOTHESLINE TYPE REEL .............242/100+
  CLUTCH ............................192/112
  COFFIN ............................27/35
  DISPENSER .........................222/173+
     ARTICLE ........................221/282+
     FOR SINGLE MIXED DRINK .........222/129.1+
  DOOR AND ARCH .....................110/181+
     COOLING ........................110/180
  DRIVEN SPOKE REINFORCING ..........301/83
     PLURAL SPOKE SERIES ............301/77
  ELECTRIC CONDUCTOR AND INSULATOR ..174/50+
     SLEEVE AND END CAP
       TYPE JOINTS ..................174/93
     VACUUM OR FLUID CONTAINING .....174/17.R+
  EXPANSIBLE CHAMBER DEVICE .........92/261
  FILTER ............................210/541
  FLASHLIGHT BATTERY TYPE ...........362/157+
     FLAT ...........................362/200+
     TUBULAR ........................362/202+
  FOOD PRESERVING ...................426/321+
     SAUSAGE ........................426/332+
  FUEL ELEMENTS OF NUCLEAR
     REACTORS .......................976/DIG.37+
  HEAT EXCHANGE
     CHAMBER ........................165/72+
     HORIZONTAL .....................165/157+
     MOTOR VEHICLE RADIATOR .........165/148+
     TRICKLER .......................165/115
     VERTICAL .......................165/157
  HOT AIR FURNACE ...................126/114
  LANTERN ...........................362/362+
  MACHINE ELEMENTS ..................74/606.R+
     GUARDS .........................74/608+
  MARINE SCREW PROPELLER ............440/76
  MEASURING INSTRUMENT ..............73/431
     DESIGN .........................D10/46+
  METAL ROLLING APPARATUS ...........72/237+
  METAL WORKING WITH CENTRIFUGAL
     CASING .........................29/DIG.6
  METAL WORKING WITH COMPOSITE
     CASING .........................29/DIG.8
  METER .............................73/273+
     ELECTRICAL SERVICE METER .......361/659+
  MUFFLER AND SOUND FILTER ..........181/282+
  PIPE JOINT COUPLING ...............285/45+
  PNEUMATIC CONVEYOR MATERIAL
     INTAKE FAN .....................406/96+
     ROTARY .........................415/89
  RAILWAY DRAFT FRICTION
     DRAWBAR ........................213/65
     SPRING COMBINED ................213/31+
       SHOES AND WEDGES .............213/24
  RAILWAY MOTOR PLACEMENT ...........105/140
     AXLE MOUNTING AND STATOR
       COMBINED .....................105/137
  RAY GENERATOR .....................250/522.1
  REEL CARRIER, HAND OR BODY ........242/96
  ROTARY SHAFTING ...................464/170+
     FLEXIBLE SHAFT COMBINED ........464/52+
  SASH CORD GUIDES ..................16/211+
     WHEEL AND ......................16/215
  SEWING MACHINE CASING .............112/231
  SHIRRED SAUSAGE CASING ............206/802*
  SHIRRING ..........................452/21+
  SIFTING ...........................209/370+
  SIGHT GLASSES FOR LIQUID LEVEL
     GAUGES .........................73/325+
  SIGN ILLUMINATED ..................40/541+
  SIGNAL FOR VEHICLE ILLUMINATED ....116/49
  STOVE HOOD ........................126/302+
  STUFFING ..........................452/35+
  SWITCH ............................20/293+
     THERMAL CURRENT ................337/186
  TELEPHONE .........................379/440
  THERMOMETER INDICATING TUBE .......374/174+
  TILTABLE RECEPTACLE CONVERTIBLE
     SUPPORT ........................248/135
  TIRE ..............................152/151+
     ARMORED ........................152/196+
     ARMORED ANTISKID ...............152/169
     CUSHION AND PNEUMATIC COMBINED .152/155+
     CUSHION ENCLOSED CORE ..........152/310+
     PNEUMATIC ......................152/450+
  VEHICLE STOVE AIR .................237/30
  WELL ..............................166/242
  WHEEL HUB REINFORCING .............301/106+

CASK (SEE BARREL)
  DRUM OR ...........................D34/39
  MAKING MACHINES ...................147/1
  PITCHING ..........................118
  TILTING APPARATUS .................248/133+


CASKET .............................. 27/2+
  CARRIERS ..........................27/27
  DESIGN ............................D99/1+
  GRAVE REST ........................27/26
  LOCKS .............................70/63
  LOWERING DEVICES ..................27/32+
  PORTABLE CASINGS FOR CASKETS ......27/35

CASSEROLE (SEE VESSEL) .............. 215
  DESIGN ............................D07/538+

CASSETTES
  CAMERA ............................354/275+
  FILM AND PLATES ...................206/455
     DESIGN .........................D14/121
  RECORDER ..........................D14/164+
  ROLLS .............................206/387
  X RAY .............................378/182

CAST IRON
  ALLOYS ............................420/13+
  HEAT TREATED STOCK ................148/400
  HEAT TREATMENT ....................148/612+

CASTER
  BRAKE .............................188/1.12
  DESIGN ............................D08/375
     CONDIMENT ......................D07/590+
  GLASS OR CUP ......................211/74+
  WHEEL TYPE ........................16/18.R+


CASTING
  BATTERY ELECTRODES ................164
  COATING COMBINED ..................29/527.3
  FISHING ...........................43/18.1+
  FORGING COMBINED ..................29/34.R+
     METHODS ........................29/527.5
  GLASS .............................65
  MARINE STRUCTURE IN SITU ..........405/222+
  METAL .............................164
     CONTINUOUS .....................164/418+
     DIE ............................29/DIG.1
     DIGEST .........................29/DIG.5
     FOUNDING .......................164
       CENTRIFUGAL APPARATUS ........164/286+
       CENTRIFUGAL PROCESSES ........164/114+
     HEAT TREATMENT COMBINED ........148/538+
     JOINING ARTICLES TOGETHER ......164/91+
     RHEO-CASTING ...................164/900*
     WORKING COMBINED ...............29/527.5+
  PILE IN SITU ......................405/232+
  PLASTICS, APPARATUS ...............425/256
     METAL WORKING COMBINED .........29/527.1
     MOLDS, DYNAMIC .................425
     SOUND RECORDS ..................425/406+
  PLASTICS, PROCESSES ...............264/299+
     CENTRIFUGAL ....................264/310+
     SOUND RECORDS ..................264/106+
  POTTERY MACHINES ..................425/263+
  POTTERY MACHINES ..................425/459
  TUNNEL LINING IN SITU .............405/150.1+
  TYPE ..............................199

CASTOFF
  GARMENT SUPPORTER .................2/342
  SEWING MACHINE THREAD .............112/56

CASTOR OIL .......................... 554/219+

CASTRATING INSTRUMENT ............... 606/135+

CATAFALQUE .......................... 27/1


CATALIN T M (PHENOPLAST) ............ 528/129

CATALYSTS ........................... 502/100+
  COMBUSTION PRODUCTS GENERATOR WITH 60/723
  ENZYME CONTAINING .................435/183+
  FERMENTING PROCESSES USING ........435/41+
  FOR WAVE ENERGY PROCESS ...........522/6+
  PLANT .............................504/116+
  POLYMERIZATION USING TRANSITION    526/906*
     METAL (SEE ALSO SYNTHETIC RESIN 526/906*
     OR NATURAL RUBBER) .............526/906*
     COMMINUTION OF .................526/906*
     IN PRESENCE OF HYDROCARBON .....526/905*
     MONOMER
       HYDROCARBON ADDITIVE AFFECTS  526/903*
        POLYMER PROPERTIES ..........526/903*
       IN BULK ......................526/902*
       IN VAPOR STATE ...............526/901*
       PART SUPPORTED ON POLYMER ....526/904*
     SPECIFIED MEANS OF REACTING     526/907*
       COMPONENTS ...................526/907*
     VAPOR PHASE IN ABSENCE OF       526/913*
       TRANSITION METAL .............526/913*
  REDOX CATALYST ....................526/915*
  REGENERATION ......................502/20+
     MINERAL OIL CONVERSION COMBINED 208
  SPECIFIED PARTICLE SIZE ...........526/908*
  ZIEGLER-NATTA .....................526/159+

CATALYTIC
  APPARATUS .........................422/177+
  DEVICE MAKING .....................29/890
  IGNITING DEVICE ...................431/268
  MINERAL OIL CONVERSION WITH .......208/46+
     SOLIDS CONTACTING ..............208/146+

CATAMENIAL RECEPTOR ................. 604/358+
  ADHESIVE FASTENER FOR .............604/387

CATAPLASMIC MEDICAMENT DEPOSITOR .... 604/304+


CATAPULT ............................ 124
  AIRCRAFT COMBINED .................244/63