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:


C-CLAMP ............................. D08/73

C-VINYL AROMATIC HYDROCARBON
 SYNTHESIS ..........................585/435

CAB
  CLOSURE OPERATORS
     DOOR AND WINDOW ................49/72
     WINDOW .........................49/324+
  LOCOMOTIVE
     DUST GUARDS ....................454/86
     VENTILATION ....................454/84
     WINDOW CONDENSATION PREVENTERS .454/85
  MOTOR VEHICLE BODY ................180/89.1+
  RAILWAY ...........................105/456
  SIGNAL OR TRAIN CONTROL ...........246/167.R+
     BLOCK SIGNAL SYSTEMS ...........246/20+
     DRAWBRIDGE PROTECTION ..........246/119
     GRADE CROSSING TRACK PROTECTION 246/117
       AUTOMATIC ....................246/115
     SWITCH STANDS ..................246/394
     TRAIN DISPATCHING CENTRAL
       SIGNAL .......................246/4
     TRAIN DISPATCHING TRAIN ORDER ..246/6
  SQUIRTS ...........................239/174

CABIN AND STATEROOM
  PRESSURIZED .......................454/70
     AIRCRAFT STRUCTURE COMBINED ....244/59
     HEATED AND COOLED ..............165/15
  SHIP ..............................114/71
     FURNITURE ARRANGEMENT ..........114/189
  TOY CONSTRUCTION LOGS .............446/106


CABINET ............................. 312
  BATH TUBS .........................4/538+
  BED COMBINED ......................5/2.1
  CARD OR SHEET MAGAZINE ............312/50
  CARD OR SHEET RETAINER ............312/183+
  COOKING STOVE .....................126/37.R
  DARK CABINET ......................354/307+
  DISPENSING (SEE DISPENSING)
  ESCUTCHEONS .......................70/452
  FILE ..............................312/183+
  INSTRUMENT STERILIZING ............422
  IRONING TABLE SUPPORT .............108/33+
  JOINT OF SECTIONAL CABINETS .......312/111
  LIGHT COMBINED ....................362/133
  LIGHT ETC APPLICATION TO BODY .....607/81+
  LOCKS FOR .........................70/78+
  METALLIC RECEPTACLE SPACED WALL ...220/445+
  MUSIC .............................84/DIG.17
  OFFICE MACHINES ...................D18
  OUTSIDE PLAYERS FOR MUSIC
     INSTRUMENTS ....................84/108
  PHONOGRAPH TYPE ...................312/8.1
     CONSOLE TYPE ...................D14/175+
     RECORD HOLDERS .................312/9.1+
  PHOTOGRAPHY FLUID TREATING ........354/297+
  RADIO TYPE ........................312/7.1
     DESIGN .........................D14/188+
     RECEIVER .......................455/347+
     TRANSCEIVER ....................455/90
     TRANSMITTER ....................455/128
     WITH ANTENNA ...................343/702
  SAFES .............................109
     COMBINED .......................109/23+
     CONVERTIBLE ....................109/22
     INCIDENTALLY MOVABLE ...........109/45+
     PLURAL COMPARTMENT .............109/53+
     SHIELDS AND PROTECTORS .........109/49.5
     SUPPORTS AND MOUNTINGS .........109/50+
     WALL AND PANEL STRUCTURE .......109/58+
  SHOW CASE .........................312/114+
  SHOWER BATH .......................4/596+
     DESIGN .........................D23/283
  SIGN EXHIBITING REEL ..............40/515
  SOUND OR VIDEO RECORDING ETC       369/75.1+
     INSTRUMENT .....................369/75.1+
     SLOT FOR DISC INSERTION ........369/77.1+
  STRUCTURE .........................312
  TELEVISION ........................358/254
  TOY ...............................446/482
  TYPE CASE ACCESSORY ...............276/44
  WALL OR CEILING MOUNTABLE .........312/242


CABLE AND CABLE MAKING .............. 57
  ADVANCING MATERIAL OF INDETERMINATE226
     LENGTH .........................226
  BLOCK AND TACKLE ..................254/389+
  BRIDGE SUSPENSION .................14/22
  BURGLAR ALARM CABLE CONTROLLED ....116/94
  BUTTON
     STRAP CHAIN CABLE ATTACHMENT ...24/114.5
     SUPPORTS PIPE OR CABLE .........248/49+
     SUPPORTS SUSPENDED .............248/317+
  CAR (SEE TRACTION BELOW)
  CLAMP
     BRIDGE SUSPENSION ..............14/22
     CORD AND ROPE ..................24/115.R+
     PIPE OR CABLE ..................248/49+
  CLIP (SEE CABLE CLAMP) ............104/200+
  COAXIAL ...........................333/239+
  COMPOSITE PLASTIC CABLE MOLDING ...425/500+
  COMPOUND DIE EXPRESSED PLASTIC ....425/113+
  CONCENTRIC CONDUCTORS .............174/102.R+
  CONNECTOR .........................403
  CONTAINER FOR .....................206/389+
  CONVEYOR
     HOIST LINEAR TRAVERSING ........212/76+
       SHIP COALING TYPE ............212/72
     MATERIAL OR ARTICLE HANDLING ...414
     POWER DRIVEN ...................198
       ENDLESS ......................198/804+
       ENDLESS SINGLE CABLE .........198/643
     STORE SERVICE SYSTEMS ..........186/14+
  CUTTING ...........................30
     FISHING LINE ...................43/43.12
     SHIPS ANCHOR CABLE .............114/221.R
     WELL CABLE .....................166/54.5+
     WELL TORPEDO CABLE .............89/1.14
  DRUM AND CABLE MECHANISM ..........74/506
     ANTIFRICTION ...................254/901*
     SLIP CLUTCH ....................254/903*
     SPECIFIC MATERIAL ..............254/902*
     WAVE MOTION RESPONSIVE ACTUATOR 254/900*
  ELECTRIC ..........................174
     FURNACE, COOLING OF ............174/15.7
     LOADED .........................178/45+
     TELEGRAPHY .....................178/63.R
     THERMAL RESPONSIVE CIRCUIT
       BREAKER INCORPORATED .........337/415
     WELDING, COOLING OF ............174/15.7
  ELECTRIC CONDUCTOR MAKING AND OR
     JOINING ........................156/47+
  ELECTRICAL ASSEMBLY ...............29/755
  EMERGENCY ELEVATOR ................187/71
  FAIRING ...........................114/243
  GEAR DRUM AND CABLE MECHANISM .....74/505
  GRIP (SEE CLAMP ABOVE)
     CABLE DRIVING STOPS RAILWAY ....104/239
     CAR CONTROL VEHICLE FENDER .....293/3
     MOTOR PLACEMENT RAILWAY
       ROLLING STOCK ................105/134
  GUIDES (SEE GUIDES, CABLE LINE)
  HAULING OR STRAND PLACING .........254/134.3R+
  HOISTING
     APPARATUS FOR HAULING OR
       HOISTING LOAD ................254/264
     CRANE OVERHEAD TRAVELLING
       CABLE DRIVEN .................212/205+
     CRANE ROTARY DRIVE .............212/246
     ELEVATOR CAR BRAKES AND CATCHES 187/81+
     GRAPPLES PIVOTED JAWS
       SEPARATE CABLE ACTUATOR ......294/111
     HOOK TACKLE ....................294/82.11+
     INCLINED ELEVATOR BRAKE ........187/13+
     LADDERS EXTENSION ..............182/207+
     LADDERS TRACK TYPE .............182/63+
     LEVER ACTUATOR PUSHING AND
       PULLING ......................254/127+
     LINEAR TRAVERSE ................212/76+
     MATERIAL OR ARTICLE HANDLING
       COMBINED CARRIERS ENDLESS ....414/564+
       ELEVATOR .....................414/592+
       TRAVERSING TYPE ..............414/560+
     PUSHING AND PULLING IMPLEMENTS
       OR APPARATUS .................254/264
     SHIP COALING TYPE LINEAR
       TRAVERSE .....................212/72
     TESTING PHYSICAL ...............73/158
     TRUCKS .........................254/4.R
     VEHICLE BODY LIFTER ............254/47+
  IMPREGNATING
     APPARATUS ......................118
  INDEFINITE LENGTH ELECTRICAL
     CONDUCTOR ......................156/47+
     METAL CASTING, CONTINUOUS ......164/462+
  JOINING WIRE ......................140/111+
  JOINTS AND COUPLINGS SEE JOINTS, PIPES, SHAFTS, RODS, PLATES
  LAYING APPARATUS ..................405/154+
  PROTECTOR FROM ABRASION ...........174/136
  RAIL ..............................104/112+
  RAILWAY ...........................104/240
     SWITCH CABLE AND PULLY
       CONNECTION ...................246/332
  RELEASER ..........................187/72
  REMOTE CONTROL ....................74/500.5+
  STOP
     DRUM AUTOMATIC CONTROL SLACK
       CABLE ........................254/272
     SHIP ...........................114/199+
     TRACTION RAILWAY ...............104/239
  SUBMARINE
     LOADED .........................178/45
  SUPPORT FOR PIPE OR CABLE .........248/49+
     BRACKET ........................248/65+
     SUSPENDED ......................248/58+
  TABLE EQUALIZERS ..................108/87
  TENSION DEVICE ....................254/199+
  TENSION EQUALIZER .................187/1.A
  TENSION RELIEVER ..................114/215
  TIGHTENER BELT ....................474/101+
  TOWING
     LAND VEHICLE TRAIN .............280/480
     MARINE PROPULSION ..............440/34+
     SHIP ...........................114/242+
  TRACTION
     CLOSURE OPERATOR ...............49/347
     HAULING APPARATUS ..............254/264+
     LEVER SINGLE THROW .............254/127+
     LINEAR HOISTS ..................212/76+
     LINEAR HOISTS SHIP COALING TYPE 212/72
     OVERHEAD CRANES ................212/214+
     RAILWAY RAILS ..................104/112+
     RAILWAY RAILS COMBINED WITH
       RIGID ........................104/87
     RAILWAY ROLLING STOCK SUSPENDED 105/151
     RAILWAY TRACTION ...............104/173.1+
     RAILWAY TURNTABLE ACTUATOR .....104/39
     ROTARY CRANES ..................212/246
     STORE SERVICE SYSTEMS ..........186/14+
  TUBE OR ROD SPLICING ..............425/802*
  TWISTING WIRE .....................140/149
  UNDERGROUND CONDUITS FOR PIPES OR
     CABLES .........................138/105
  WINDING & REELING .................242
  WIREWORKING ARTICLE MAKING OR
     FORMING ........................140/71.R+

CABLE TOOL RIG ...................... 173/81+

CACAO ............................... 426/631+

CACHETS ............................. 604/403+

CACODYL COMPOUNDS ................... 556/70+


CADMIUM
  ALLOYS ............................420/525
  BATTERIES .........................429
  COMPOUNDS .........................23
  ELECTROLYTIC COATING WITH .........205/281+
  ELECTROLYTIC SYNTHESIS ............204/114+
  FLUORESCENT OR PHOSPHORESCENT
     COMPOSITIONS CONTAINING ........252/301.6R
  MISC  CHEMICAL MANUFACTURE ........156/DIG.92
  ORGANIC COMPOUND CONTAINING .......556/118+
  PIGMENTS FILLERS OR AGGREGATES ....106/452
  PYROMETALLURGY ....................75/668+
     COMBINED WITH HYDROMETALLURGY ..75/416+

CAFETERIA
  COFFEE SERVICE UNIT ...............D34/14
  TRAY DISPENSER UNIT ...............D34/14

CAFFEINE ............................ 544/274
  EXTRACTION FROM COFFEE ............426/427+

CAGE
  ANIMAL MOUTH GUARD ................119/827
  BANK PROTECTION ...................109/10+
  BEARING
     BALL ...........................384/523+
     MAKING .........................29/898.64
     RADIAL .........................384/512+
     THRUST .........................384/623
  BIRD AND ANIMAL CONFINING .........119/17+
     DESIGN .........................D30/114+
  FISH AND ANIMAL TRAPS .............43/58+
     DESIGN .........................D22/121
  MATERIAL HANDLING
     HAND TYPE ......................294/26.5
     HOIST LINE TYPE ................294/68.1+
  MILLS .............................241/188.1
  PLANT SUPPORTS ....................47/45
  QUEEN BEE .........................449/28
  SHOWER BATH SPRAY .................4/601+
  SOLID FUEL GRATE ..................110/294
     WATER COOLED ...................122/373
  TYPE ANTENNA ......................343/896
  WASHING APPARATUS HAVING ..........68


CAISSON
  BOX OR OPEN .......................405/11+
  DIVING BELL TYPE ..................405/185+
  ORDNANCE ..........................89/40.7
  PRESSURIZED .......................405/8+
  SHAFT LINING ......................405/133
  SHIP RAISING ......................114/49
  SHIP RAISING SALVAGE ..............114/53
  SHIP REPAIR .......................405/12
  SHORING, TEMPORARY ................405/272

CAKE
  COMPOSITIONS ......................426/552+
  COVER .............................312/283+
  CUTTER OR SERVER ..................D07/673
  DESIGN ............................D01/129+
  DISH OR COVER .....................D07/610
  ENFOLDING WITH
     ENFOLDING WITH CLOTH BEFORE ....10/101
  INEDIBLE ..........................D11/184
  PANS ..............................249/DIG.1
  STRIPPING CLOTH FROM CAKE AFTER
     PRESSING .......................10/298
  TRIMMERS ..........................10/94+

CALCIFEROL .......................... 552/653

CALCIMINES SEE KALSOMINES

CALCINING
  FURNACES ..........................432
  HAZARDOUS OR TOXIC WASTE
     CONTAINMENT ....................588
  PORTLAND CEMENT PROCESSES .........106/739+


CALCIUM (SEE ALKALI, EARTH METAL) ... 75
  CARBIDE ...........................423
     ACETYLENE GENERATOR CARBIDE
       FEED .........................48/38+
     CARTRIDGES .....................48/59+
  COMPOUNDS INORGANIC ...............423

CALCULATOR SEE COMPUTER ............. 235/61.R+
  DESIGN ............................D18/6+
  INSTRUMENTS SIMULATING ............33/1.SB
  SPECIFIC GRAVITY TEST .............73/443
  VEHICLE CONTROLLING ...............364/424.1+

CALENDAR ............................ 40/107+
  CLOCKS ............................368/28+
  CLOCKS ............................968/139+
  COIN CONTROLLED ...................40/107+
  DESIGN ............................D19/20+
  DESK ARTICLE COMBINED .............40/358
  HOLDER DESIGN .....................D19/20+
  PADS ..............................40/121
  PRINTED MATTER TYPE ...............283/2+
  WATCHES ...........................368/28
  WATCHES ...........................968/139+

CALENDER
  ROLL ..............................492+
     PAPER MANUFACTURE ..............10/161+
     TEXTILE ........................38/63+

CALENDERING
  CLOTH FINISHING ...................38/52
  LAUNDRY ...........................38/44+
     PAPER ..........................10/161+
  PLASTICS ..........................425/363+


CALIBRATING
  BATTERY CALIBRATION ...............136/290*
  ELECTROPHOTOGRAPHIC COPIER ........355/203
  INSTRUMENT ........................73/1.R+
  MEASURING AND TEST INSTRUMENT .....73/1.R+
  RADAR SYSTEMS .....................342/165
  RADIANT ENERGY DEVICE .............250/252.1

CALIPER ............................. 33/783+
  ASSORTER COMBINED .................209/602+
  BRAKE .............................188
     BICYCLE ........................188/24.11+
     DISC TYPE ......................188/71.1+
  DESIGN ............................D10/73
  GAUGE .............................33/501.7+

CALISTHENIC EXERCISE ................ 482

CALK
  FORMING ON HORSESHOES .............59/65
     COMBINED MACHINES ..............59/39
  HORSESHOE CALK MAKING .............59/66+
  HORSESHOE TYPE ....................168/29+
  SHARPENER .........................51/172
     TOOL ...........................168/46
  SHOE DEVICE .......................36/67.R
  TIRE ANTISKID DEVICE ..............152/229+


CALKING
  COMPOSITIONS ......................106
  DISPENSER .........................222
     GUN ............................222/326+
  EDGE SEALING LAMINATED GLASS ......156/107
  IMPLEMENTS ........................81/8.1
     METAL PACKING ..................72/462+
     POINTERS FOR MASONRY ...........15/235.3
     SHIP CALKING ...................114/224
  METAL WORKING .....................72/462+
  METHODS ...........................114/86
  PACKING FIBROUS MATERIAL ..........81/8.1
  PUTTYING DEVICES ..................425/87
  PUTTYING DEVICES ..................425/458
  SEAMING SHIPS COMBINED ............114/86

CALLING CARD RECEIVER ............... D06/449

CALLIOPE ............................ 84/330

CALLUS CULTURE ...................... 435/240.48+

CALOMEL ............................. 423/491
  MEDICINES CONTAINING ..............424/645

CALORIMETER ......................... 374/31+

CALUTRON
  MASS SPECTROMETER .................250/281+
  STRUCTURE .........................313/359.1


CAM (SEE APPARATUS USING) ........... 74/567+
  ACTUATED OR OPERATED ..............74
  IN BOLT TO NUT LOCK ...............411/272

CAMBER
  CORRECTION
     BENDING FOR ....................72/704*
     BENDING THREE POINT JACKS ......72/386+
     FORGING FOR ....................72/704*
     VEHICLE RUNNING GEAR SPRING ....280/688+
     VEHICLE RUNNING GEAR STUB AXLE .280/661
  TEST WHEEL GAUGE ..................33/203

CAMBRIC ............................. 139/426.R

CAMEL
  SHIP RAISING ......................114/49
     SALVAGE ........................114/53

CAMEO MOLDS ......................... 249/104


CAMERA .............................. 354/288
  ANIMATED CARTOON ..................352/87
  CARRIER OR HOLDER .................224/908*
     HAND ...........................294/139
  CASES .............................206/316.2
  CINEMATOGRAPHIC ...................D16/205+
  COMPOUND LENS SYSTEM WITH .........359/363
  COPY MAKING, EG MECHANICAL NEGATIVE430/951*
  COPYING ...........................355/18+
  DESIGN ............................D16/200+
  ELECTRONIC STILL ..................358/909*
     SCANNED SEMICONDUCTOR MATRIX ...358/213.11+
  EXPOSURE CONTROL, AUTOMATIC .......354/410+
  FILM WINDING SPOOLS ...............242/71
     MOTION PICTURE .................242/210
  FLASHLIGHT ........................354/126+
  FOCUSING, AUTOMATIC ...............354/400+
  LENS MOUNT ........................354/286
     ANGULARLY ADJUSTABLE CAMERA     354/189
       FRONT OR LENS MOUNT ..........354/189
  LUCIDA ............................359/447
  MAMMOGRAPHY STUDY .................128/915*
  MICROSCOPE ........................359/372+
  MOTION PICTURE ....................352
     FILM WINDING ...................242/179+
  MULTIPLE EXPOSURE ON SINGLE PLATE .354/120+
  OBSCURA ...........................359/448
  PANORAMIC .........................354/94+
  PERISCOPE .........................359/403+
  PHOTOGRAPHING INTERNAL BODY ORGANS 128/660.1+
     ULTRASONICALLY .................128/660.1+
  REFLEX ............................354/152
  REPRODUCING .......................355/18+
  SCHMITT
     LENS AND MIRROR ................359/728+
     MOTION PICTURE .................352/69
     TELEVISION .....................358/209+
  SHUTTER ...........................354/226+
     AUTOMATIC CONTROL ..............354/456+
     BETWEEN LENS ...................354/233
     MECHANICAL TEST ................73/5
     OPTICAL TEST ...................73/5
     TIMER ..........................354/267.1+
  STEREOSCOPIC ......................354/112+
  SUBMARINE MOTION PICTURE ..........352/132
  SUPPORTS ..........................354/293+
     TRIPODS ........................248/163.1+
  TELESCOPE .........................359/419+
  TELEVISION ........................D16/202
  TIME LAPSE ........................352/84
  TRIPOD ............................354/293+
  TWIN LENS REFLECT .................354/151
  ULTRASONIC SCANNING ...............128/660.1
     BLOOD ..........................128/660.2
       FLOW .........................128/661.8
     BREAST .........................128/915*
     MAMMOGRAPHY ....................128/915*
     PRESSURE .......................128/660.2
     TEMPERATURE ....................128/660.2
     THERAPY ........................128/660.3
  VIEW FINDERS ......................354/219+
     GEOMETRICAL ....................33/290+
     MOTION PICTURE .................354/219+
     PERPENDICULAR TO OBJECTIVE LENS D16/217

CAMISOLE ............................ D02/722

CAMOUFLAGE
  CANOPIES ..........................135/87+
  COAT HUNTERS ......................2/94
  COATING COMPOSITION ...............106
  COATING NON-UNIFORM ...............427/256+
  ILLUSION ..........................273
  INCLUDING OPEN MESH ...............428/255+
  ORDNANCE ..........................89/36.1
  STOCK MATERIAL ....................428/919*
  TENTS .............................135/87+
  WARSHIP ...........................114/15

CAMP AND CAMPING
  BEDS ..............................5/112+
  BODIES LAND VEHICLES ..............296/156+
  CHAIRS FOLDING ....................297/16.1+
  GROUND MAT ........................5/417+
  KIT COMBINED OR CONVERTIBLE TO
     TABLE ..........................190/12.A
  LUNCH KITS ........................206/541+
  SLEEPING BAG ......................2/69.5
     WITH BED STRUCTURE .............5/413
  STOOLS FOLDING ....................297/166
  STOVES COOKING ....................126/25.R+
  STOVES HEATING ....................126/59
  TABLES CONVERTIBLE BAGGAGE ........190/12.R
  TENT ..............................135/87+
     HEATER .........................126/59
  TRAILER DESIGN ....................D12/101+
  VEHICLE DESIGN ....................D12/100

CAMPHENE (SEE ALICYCLIC HYDROCARBON)  585/350
  TERPENE ISOMERIZATION .............585/355


CAMPHOR ............................. 568/339+

CAMPHORIC ACID ...................... 562/504

CAMPING SEE CAMP

CAMSHAFTS ........................... 74/567
  DRIVE MEANS INTERNAL COMBUSTION
     ENGINE .........................123/90.31
  OVERHEAD LOCATION .................123/90.27


CAN SEE CONTAINER
  BEER,POP, OR FOOD .................206/139
  CARRIER BY HAND ...................220
  CRUSHERS ..........................10/902*
     PRESSES IN GENERAL .............10
  CUTTING TO SCRAP ..................83/923*
  DESIGN ............................D09
  FILLING AND CLOSING ...............53/266.1+
  INSULATING JACKET .................220/903*
  LABELING MACHINES .................156
  LEAKAGE TESTER ....................73/40+
     DISCARDING TYPE ................73/45+
  MAKING
     BODY STRAIGHTENING .............72/367+
     FUSION-BONDING APPARATUS .......228
     METAL CAP PREPARING MACHINE ....413/56+
     SHEET METAL CONTAINER MAKING ...413
  METAL AND MISCELLANEOUS ...........220
  MILK ..............................220/569
  MILKING MACHINE ...................119/14.46
  NUCLEAR FUEL CONTAINING ...........376/409
  OPENERS ...........................30/400+
     CLOSURE COMBINED ...............220/260
     CUTTER TYPE COMBINED ...........7/152+
     DESIGN .........................D08/33+
     ELECTRIC .......................30/401
     KEY HOLDER COMBINED ............D03/64
     OTHER TOOL COMBINED ............7/151
     RECEPTACLE PUNCTURING AND
       CLOSING ......................220/278
     WITH DISPENSING FEATURES .......222/81+
  PACKING IN PORTABLE RECEPTACLES ...53/531+
  PROCESSORS ........................99/359+
  RESILIENT WALL ....................222/206+
  TESTERS LEAK DETECTOR .............73/52
  VACUUMIZING & SEALING METHODS .....53/403+
  VALVES FOR CONVEYING
     BIN CHARGE OR DISCHARGE ........414/288+
     CHUTE RETARDERS ................193/32
     CHUTE SWITCHES .................193/31.R
     COOKER INLET OR OUTLET .........99/366
     HORIZONTAL AXIS ROTARY CONVEYOR 198/670
     HORIZONTAL AXIS SPIRAL .........198/778
     ROTARY CONVEYOR ................198/803.1
       THROWER ......................198/642
  WASHERS AND CLEANERS
     BRUSHING MACHINE ...............15/70+
     LIQUID CONTACT .................134
  WITH VALVED OUTLET ................222


CANAL ............................... 405/84+
  AMUSEMENT PARK ....................104/73
  BOATS
     FORM ...........................114/60
     STRUCTURE ......................114/70
  LOCKS .............................405/85+

CANCELER
  FARE BOX TICKET PUNCHER COMBINED ..232/8
  STAMP
     BARREL BUNG ....................217/114
     HAND ...........................101/371
     MACHINE ........................101/233+

CANCER TREATMENT
  5-FLUROURACIL .....................544/313

CANDELABRA .......................... 431/295
  ELECTRIC ..........................362/410+
     DESIGN .........................D26/24


CANDLE .............................. 431/288
  CANDLESTICK .......................D26/9+
  COMPOSITIONS FOR MAKING ...........44/275
  DESIGN ............................D26/6
  ELECTRIC LAMP .....................362/157+
  ELECTRIC SOCKET SIMULATING ........20/51.1
  EXTINGUISHERS .....................431/144+
  FORMING ...........................425/803*
  FUMIGANTS .........................424/40
  HOLDERS ...........................431/289+
     CHRISTMAS TREE .................362/249+
     DESIGN .........................D26/9
  IMITATION .........................362/810*
  LANTERNS USING ....................362/161
  LIGHTERS SEE IGNITER AND IGNITION
  LIGHTING IMITATION OF .............362/810*
  MAKING
     CASTING OR MOLDING APPARATUS ...425/117+
     CASTING PROCESSES ..............264/271.1+
     DIPPING PROCESSES ..............427/442+
  PHYSICAL AND ORNAMENTAL STRUCTURE .431/126
  SHADE OR BOWL SUPPORTS FOR ........362/447
  SIMULATED .........................431/125
  SNUFFERS ..........................431/144+
     DESIGN .........................D29/2
     MINERS .........................7/104+

CANDLING ............................ 356/52+
  CANDLING,INSTRUMENT ...............D10/48

CANDY
  COATING APPARATUS .................118/13+
  COMPOSITIONS ......................426
  CUTTING MACHINE ...................83
  DESIGN ............................D01/127+
  KNEADING-PULLING EQUIPMENT ........366/70
  MAKING, APPARATUS .................99/450.1
  MAKING, PROCESSES .................426
     COTTON CANDY ...................425/9
  PRESERVATION ......................426/321+
     STICK, CONTAINER ...............493/943*


CANE ................................ 135/65+
  DESIGN ............................D03/5+
  DETONATING TOY ....................446/402+
  FABRICS ...........................139/424
  GUN COMBINED ......................42/52
  LIGHT COMBINED ....................362/102
  LOCKS FOR CANE RACKS ..............70/59
  RACKS .............................211/62+
  SIMULATED UMBRELLA CASE ...........135/18
  STAND CONVERTIBLE .................248/155
  STAND OR STOOL CONVERTING TO ......248/155+
  THERAPEUTIC APPLIERS COMBINED .....607/115+
  UMBRELLAS COMBINED ................135/17
  WHIP CONVERTIBLE ..................231/3

CANISTER
  DESIGN ............................D07/612+
  GAS SEPARATION ....................96
  PROJECTILE ........................102/507+

CANNING
  COOKING AND SUBSEQUENT ............99/356
  COOKING FILLED RECEPTACLES ........99/359+
  FILLING AND CLOSING ...............53/266.1+
  FOOD PRESERVING APPARATUS .........99/467+
  FOOD PRESERVING PROCESSES .........426/392+
     HERMETIC .......................426/392+

CANNON .............................. 89
  TOY ...............................42/55

CANNULA ............................. 604/239
  ATTACHING MEANS ...................604/240+
  BUTCHERING ........................452/69
  MEDICATOR COMBINED ................604/187+
  STRUCTURE .........................604/239


CANOE ............................... 114/347+
  CHAIR .............................114/363
  DESIGN ............................D12/302
  PADDLES ...........................440/101
  SAILS .............................114/103+

CANOPY .............................. 135/87+
  BED ...............................5/414+
     CAMP ...........................5/113
     HAMMOCK AND CANOPY WITH COMMON  5/128
       SUPPORT ......................5/128
     HAMMOCKS .......................5/121
  BODY OR BELT ATTACHED .............224/186
  BUILDING LIGHT TYPE ...............359/591+
  CABINET TYPE ......................312/3+
  COFFIN ............................27/9
  DESIGN ............................D25/56
  FLEXIBLE PANEL COMBINED ...........160/19+
  FRAMES ............................135/101+
  LIGHT SHADE .......................362/351+
  LIGHT SUPPORT .....................362/404+
  PADLOCK SHIELDS ...................70/56
  REFLECTOR .........................362/341+
  RIGID TYPE ........................52/74+
  SUPPORT TYPE ......................248/345
  TENT-TYPE DESIGN ..................D21/253+

CANT HOOK ........................... 294/17

CANTEEN
  DESIGN ............................D03/30.1+
  FLOW CONTROLLER OR CLOSURE ........222/544+
  JACKET OR SPACED WALL .............220/415+
  JACKETED DISPENSING TYPE ..........222/131
  KIT WITH ..........................206/547
  SEPARABLE CUP OR FUNNEL ...........141/379+

CANTILEVER
  BRIDGE ............................14/7+
  BUILDING ..........................52/73+
  DESIGN ............................D25/61
  SPRING ............................267/41


CANTING ELEMENT IN BOLT TO NUT LOCK . 411/274+

CANVAS
  AWNING STRIPE .....................139/417
  FABRIC ............................139/426.R
  SHOES RUBBER SOLE .................36/9.R

CAOUTCHOUC (SEE RUBBER)


CAP
  AMMUNITION ........................102/204
     MAKING .........................86/10+
  APPAREL ...........................2/195.1+
     BATHING ........................D02/867+
     BATHING DESIGN .................D02/867+
     DESIGN (SEE HEADWEAR) ..........D02/865+
     PROTECTIVE AGAINST BLOWS .......2/410+
     WITH EYE SHIELD ................2/10
     WITH LIGHT SUPPORT .............362/106
  BEADING AND CRIMPING ..............72/102+
  BLASTING ..........................102/275.12
  BOTTLE SEAL .......................425/809*
  BRUSH AND BROOM TYPE ..............15/175
  BURNER
     EXTINGUISHING ..................431/146
  CHIMNEY
     COPING .........................52/244
     COWLS ..........................454/3+
     WITH VALVE .....................454/27
  CLOSURE
     AUTO RADIATOR OR GAS TANK ......D12/197+
     BOTTLE .........................215/200+
     DEPRESSIBLE OIL CUP CAP ........184/89
     DESIGN .........................D09/435+
     FLEXIBLE BAG ...................383/80
     INFLATION STEM AIR & DUST CAP ..138/89.1+
     INFLATION STEM AIR CAP .........138/89.3
     INFLATION STEM DUST CAP ........138/89.4
     INFLATION STEM DUST CAP AND
       TOOL COMBINED ................152/431
     LINING APPARATUS ...............156
     LINING COMBINED WITH METAL
       WORKING ......................413
     LINING PROCESS .................156/262
     MAKING FROM SHEET METAL ........413/8+
       APPARATUS ....................413/56+
     REMOVERS .......................81/3.7+
     SCREW TYPE .....................220/288
     SLIP TYPE ......................220/352
     SOLDERING TO CAN ...............228
  COATING IMPLEMENT WITH MATERIAL
     SUPPLY COMBINED ................401
  COLUMN ............................52/301
  DETONATING TOYS ...................446/398+
     MECHANICAL PROJECTOR COMBINED ..124/2
     PISTOL SIMULATING ..............42/54+
  ELECTRIC FUSE TERMINAL ............337/248
  FASTENINGS FOR SAW TEETH ..........83/840+
  FOUNTAIN PEN BIFURCATE NIB-TYPE ...401/243+
  GAS OR RADIATOR ...................D12/197+
  INSULATOR .........................174/188+
  LOCK ..............................70/158+
  MAKING
     AMMUNITION .....................86/10
     DIE SHAPING SHEET METAL ........72/343+
     SPIRALLY GROOVING METAL ........72/105+
  MAST ..............................212/266
  NAIL SCREW AND NUT
     NUT CAPS .......................411/429+
  PILE DRIVING ......................173/128+
  PILE PROTECTOR ....................405/255
  RADIATOR
     ORNAMENT .......................428/31
     ORNAMENT BIRD OR INSECT ........40/411+
     REMOVING .......................29/245
     WITH THERMOMETER ...............209/684
  SPINNING MACHINES .................57/74
  STRAND TWISTING AND LAYING ........57/127
  SURFACING .........................52/465+
  TOWER .............................52/651.1+
  TYPEWRITER KEY ....................40/490+
  WHEEL HUB .........................301/108.1+
  WHIP ..............................231/6

CAPACITANCE INTERELECTRODE TESTING    324/409+
 ELECTRONIC TUBE ....................324/409+
  CATHODE RAY TUBE ..................324/404

CAPACITOR (SEE CONDENSER; ELECTRET)
  AIR DIELECTRIC ....................361/326+
  DESIGN ............................D13/125
  NEUTRALIZING ......................361/212+

CAPACITY MEASURING BRIDGE ........... 324/680+

CAPE BODY GARMENT ................... 2/88+
  DESIGN ............................D02/823+
     COMBINED .......................D02/824
     COMBINED WITH DRESS ............D02/759
     COMBINED WITH SUIT .............D02/773

CAPILLARY
  ACTIVE AGENTS (SEE WETTING) .......252/351
  HEAT EXCHANGE PIPE ................165/104.26
  TUBE, REFRIGERATION USING .........62/511


CAPOTASTO ........................... 84/318

CAPPING
  BOTTLES ...........................53/287+
  NAILS AND SCREWS ..................470/5+
  SCREW CLOSURE APPLYING
  SOLDERING IRON HAVING GUIDE .......228/25+

CAPRIC ACID ......................... 554/1+

CAPRYLIC ACID ....................... 554/1+

CAPSAICIN, IN DRUG .................. 514/627

CAPSTANS ............................ 254/266+

CAPSULE SEE CONTAINER
  COMPOSITE STOCK MATERIAL WITH      428/321.5
     LIQUID .........................428/321.5
  FILLING AND CLOSING ...............53/266.1+
  HAZARDOUS OR TOXIC WASTE588
     CONTAINMENT ....................588
  MAKING BY DIPPING .................425/269+
  MAKING, X-ART .....................425/804*
  MEDICINE VEHICLE ..................424/451+
  MICROCAPSULE (SEE MICROCAPSULE)
  NONMETALLIC COLLAPSIBLE WALL ......222/107
  SHEET METAL MAKING ................72/347+
  STOCK WITH LIQUID .................428/321.5


CAR (SEE VEHICLE)
  AIRSHIP ...........................244/30
  BODIES AND TOPS ...................296
  CONTROL
     ELECTRIC RAILWAY EXTERNAL ......104/295+
     ELEVATOR .......................187/28+
     ELEVATOR BRAKES AND CATCHES ....187/73+
     ELEVATOR FLUID GOVERNORS .......187/68+
     RAILWAY SWITCHES AND SIGNALS ...246
     VEHICLE FENDERS COMBINED .......293/2+
  DERAILER RAILWAY ..................246/163
     CAR ATTACHED ...................104/261
  ELEVATOR OR HOIST .................414/227+
     DUMB WAITER TYPE ...............187/5
     SUPERPOSED .....................187/16
  FIRE ESCAPE RECIPROCATING
     MOVING ROPE ....................182/12+
  FIRE ESCAPE RECIPROCATING
     STATIONARY ROPE ................182/189+
  FIRE ESCAPE VERTICALLY MOVABLE ....182/40
  HAND ..............................105/162
  HEATED AND COOLED .................165/42
     AUTOMATIC CONTROL ..............165/25
  LAND VEHICLE ......................280
  LOADING OR UNLOADING ..............414/373+
     RAILWAY UNLOADING USING
       TRACTOR-TRAILER ..............414/333
     SELF ...........................414/467+
     TRAIN OF UNLOADING VEHICLES ....414/339
  MOTOR .............................180
  PROPULSION (SEE ELECTRIC)
     ELEVATOR .......................187/17+
     RAILWAY ........................105
     RAILWAY CABLE CROSSING CONDUIT .104/187
     RAILWAY CABLE CURVES ...........104/190
     RAILWAY SYSTEMS ................104/287+
     ROAD VEHICLE ...................180
     STORE SERVICE ..................186
  PUSHER
     IMPLEMENT ......................254/35+
     RAILWAY HAND CRANK .............105/90.1
  RAILWAY ...........................105
     AMUSEMENT ......................104/53+
     CABLE MULE .....................104/176
     ELEVATOR .......................104/128
     FORGING DIES ...................72/343+
     LADDER .........................182/93+
     PILOT OR SIGNAL ................246/166
     STOP ...........................104/249+
     TOY SIMULATION .................446/431+
     YARD ...........................104/26.1+
  REFRIGERATION .....................62/239+
     AIR CONTROLLER COMBINED ........62/407+
     ALTERNATELY USABLE ENERGY       62/236
       SOURCE .......................62/236
     SEPARABLE COOLING MEANS ........62/237
     VARIABLE CAPACITY ICE62/327+
       BUNKER .......................62/327+
  REPLACER ..........................104/262+
  RETARDER RAILWAY ..................188/62+
  STOCK .............................119/7+
  STORE SERVICE CABLE ...............186/18
  VEHICLE UNLOADING .................414/373+
     DUMPING TILTING TRACK SECTION ..414/354+

CARAMEL ............................. 127/29
  FLAVORING COMPOSITIONS ............426/658+
  MAKING ............................127/34

CARBAMIC ACID ....................... 562/555

CARBAMIC ACID ESTERS ................ 560/24+
  ACYCLIC ...........................560/132+
  ALICYCLIC .........................560/115
  NITROGEN CTG ......................560/157+
  SULFUR CTG ........................560/148

CARBANILIDE ......................... 564/55

CARBAZIDE ........................... 564/34

CARBAZOLE ........................... 548/440+
  AZO COMPOUNDS .....................534/790

CARBAZONES & SEMICARBAZONES ......... 564/36

CARBENDAZIM ......................... 548/308.7


CARBENICILLIN ....................... 540/338

CARBIDE (SEE CALCIUM, CARBIDE) ...... 423
  ACETYLENE FROM ....................48
  ACTINIDE ..........................423/249+
  ALLOYS ............................75/236+
  CARTRIDGES ........................48/59+
  CERAMIC COMPOSITIONS CONTAINING ...501/87+
  METAL IMPREGNATED .................428/539.5
  SILICON ...........................423/345
  TUNGSTEN ..........................423
  URANIUM ...........................423/256

CARBITOL T M ........................ 568/613+