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| Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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I-Beam ..................................... 52 / 729.1+
Cutter ................................. 83 / DIG 2
Ic Card .................................... 705 / 41
For secure, encrypted transactions ..... 705 / 65
Balancing account .................. 705 / 68
Detecting double spending .......... 705 / 69
With authentication ................ 705 / 67
Initializing or reloading .............. 705 / 66
Ice ........................................ 62
Bag .................................... 383 / 901*
Carrier ............................ 294
Design ............................. D24 / 207+
Boats .................................. 114 / 43
Boring ................................. 175 / 18
Boxes .................................. 62 / 459+
Air controller combined ............ 62 / 420+
Portable receptacle ................ 62 / 457.7
Portable, commodity containing ..... 62 / 371+
Breakers ............................... 114 / 40+
Bucket ................................. D07 / 603
Control on waterways ................... 405 / 61
Crushers ............................... 241
Hand tool .......................... D07 / 682
Household appliance ................ D07 / 374
Crushing apparatus ..................... 241
Cutting (see notes to) ................ 30 / 164.5
Electrically heated cutter ......... 30 / 140
Hand held .......................... 30 / 140
Heated cutter ...................... 62 / 320+
Ice cream freezer with ............. 62 / 321
Machine ............................ 83 / 171
Machines cutting, x-art ............ 83 / 915.3*
Sawing ............................. 83 / 915.3*
Food ................................... 426 / 101+
Gas solidifiers ........................ 62 / 601+
Grooving ............................... 83 / 875+
Harvesting ............................. 299 / 24+
Houses and cellars ..................... 62 / 459+
Air controlling combined ........... 62 / 420
Structural installation ............ 62 / 259.1+
Machine for producing .................. 62 / 340+
Automatic .......................... 62 / 135+
Making (see congelation) .............. D15 / 80
Picks and shavers
Chipper or pick .................... 30 / 164.5
General ............................ 241
Harvesting cutters and picks ....... 299 / 24+
Holder for ......................... 224 / 232+
Ice pick or chipper ................ 30 / 164.5+
Knives and scrapers with ........... 30 / 136
Material holder or disposal ........ 30 / 136+
Prevention on aircraft ................. 244 / 134 R
Prevention on cooling tower ............ 261 / DIG 86
Preventive coating ..................... 106 / 13
Processes of making .................... 62 / 66+
Protecting marine structure from ....... 405 / 211
Removal from streets ................... 37 / 197
Removal from windows ................... 62
Thawing
Compositions for ................... 252 / 70
From streets ....................... 37 / 227+
Pipes .............................. 138 / 32+
River and harbor ................... 405 / 61
Tray design ............................ D15 / 90
Ice Cream .................................. 426 / 101
Agitator for freezer ................... 366 / 144+
Cabinets for ........................... 220 / DIG 8
Cans for refrigeration ................. 62 / 433
Cone ................................... 426 / 139
Carriers for cones ................. 229 / 932+
Design ............................. D01 / 116+
Cup .................................... D01 / 116
Cutting ................................ 83
Design ................................. D01
Disher, cone shaping ................... 425 / 118
Freezer ................................ 62 / 340+
Automatic .......................... 62 / 135+
Tray ............................... 366 / 144
With ice breaker ................... 62 / 321
Machine design ......................... D15 / 82
Molding ................................ 426 / 515+
Package vending cabinets ............... 221
Process of freezing .................... 62 / 66+
Product and making ..................... 426 / 565+
Scoop .................................. 425 / 221
Scoop .................................. 425 / 276+
Scoop or plunger ....................... 425 / 187
Serving tool ........................... D07 / 681
Stick, on a ............................ D01
Ice Skates ................................. 280 / 11.12+
Attachments for ........................ 280 / 809+
Design ................................. D21 / 761+
Scabbards .............................. 280 / 825
Ichthyol ................................... 562 / 33
Icing ...................................... 426 / 659
Edible coating applying machines ....... 118 / 13+
Processes for applying ................. 99
Icon ....................................... D14 / 489+
Iconometer ................................. 33 / 227+
Camera viewfinder ...................... 396 / 373+
Range & remote distance finding ........ 356 / 3
Optics ................................. 356 / 3
Iconoscope ................................. 313 / 367+
Television system using ................ 348 / 325
Identification
Agents, chemical or biological ......... 436
Analysis ............................... 436
Arm band ............................... 40 / 1.5
Badges ................................. 40 / 1.5+
Design ............................. D20 / 22+
Card ................................... 428 / 13
Envelope for ....................... 206
With printing ...................... 283 / 74+
Checks labels and tags ................. 283 / 81
Dyeing ................................. 8
Electrical conductors .................. 174 / 112
Fingerprint, comparisons ............... 356 / 71
Fraud preventing coating ............... 427 / 7
Itemization, automated ................. 705 / 29
Key locks .............................. 70 / 460
Key ................................ 40 / 330
Of medicine or poison .................. 424 / 10.1+
Plug tobacco ........................... 131 / 368
Printed matter ......................... 283 / 74+
Signals and indicators ................. 116
Tag .................................... 283 / 74+
Using a point of sale terminal ......... 705 / 23
Writing on photographic film ........... 396 / 310+
During x-ray exposure .............. 378 / 165
Idlers (See Machine on Which Used)
Bearing ................................ 384 / 262
Belt ................................... 474 / 166+
Metal rolling
Mill ............................... 72 / 199+
Roll ............................... 72 / 199
Pulleys ................................ 474 / 166+
Belt tightener ..................... 474 / 101+
IgEPON™ ................................. 554 / 85+
Igniter and Ignition See Lighter
Alarms operated by ..................... 116 / 104+
Electrical ......................... 340 / 385.1
Ammunition and explosive devices
Cartridges ......................... 102 / 470+
Compositions for ................... 149 / 108.6
Land mines ......................... 102 / 424+
Marine mines ....................... 102 / 416+
Shells ............................. 102 / 200+
Burner ................................. 431
Automatic control of ............... 431 / 18
Electrical ......................... 431 / 254+
Electrical ......................... 431 / 258+
Mechanical ......................... 431 / 129+
Mechanical ......................... 431 / 254+
Catalytic .............................. 431 / 268
Pocket type ........................ 431 / 147
Chemical ............................... 431 / 267+
Cigarette, pocket type ................. 431 / 129+
Cigarette, pocket type ................. 431 / 144+
By electrical means ................ 361 / 235+
Design ............................. D27 / 141+
Electrical resistance .............. 219 / 260+
Tobacco appliance with ............. 131 / 234
Tobacco with ....................... 131 / 351
Combustion engine combined with ........ 123 / 210+
Rotary piston .......................... 123 / 210+
Electric (see engine)
Blasting cartridge ................. 102
Cartridges ......................... 102 / 202.2+
Explosive land mines ............... 102 / 424+
Flash lights solid fuel ............ 431 / 357+
Flash lights solid fuel ............ 431 / 357+
Fluid fuel burners ................. 431 / 254+
Fluid fuel burners ................. 431 / 256+
Interference suppressor ............ 338 / 66+
Resistor ........................... 338 / 66+
Resistance type .................... 219 / 260+
Shells ............................. 102 / 206+
Spark type ......................... 361 / 253+
Time controlled .................... 431 / 73
Electric space discharge devices
Consumable electrode type .......... 314
Energizing systems ................. 315
Engine ................................. 123 / 594+
Dynamo combined .................... 290
Spark timing control ............... 123 / 406.11+
Starting ........................... 123 / 406.53+
Fire kindling .......................... 431 / 267+
Flashlight combined .................... 431 / 357+
Electric primer ignites ............ 431 / 362
Fluid-flint lighter .................... 431 / 144+
Frictional ............................. 431 / 267+
Fuse ................................... 493 / 948*
Igniting devices & fuel ................ 44
Lamp system combined with spark ........ 315 / 178+
Make and break for ..................... 123 / 153
Internal combustion engines ............ 123 / 153
Matches ................................ 44 / 507+
Boxes and packages ................. 206 / 96+
Design ......................... D09 / 414+
Matchbook design ............... D09 / 701
Compositions ....................... 149
Scratchers ......................... 44 / 643
Motor vehicle, internal combustion ..... 123 / 143 R+
Engine equipped ........................ 123 / 143 R+
Safety belt responsive to .......... 180 / 270
Ignition circuit ................... 180 / 270
Percussive ............................. 431 / 267+
Receptacle combined
Cigarette or cigar dispenser ....... 221 / 136+
Match boxes and packages ........... 206 / 96+
Pocket cigarette or cigar .......... 206 / 85
Containers ......................... 206 / 85+
Reigniting hot spot .................... 431 / 347
Speader for ignition wire manifold ..... D08 / 357
Timing ................................. 431 / 86+
Tobacco or tobacco users
Appliances combined
Ash trays .......................... 131 / 234
Ash trays design ................... D27 / 143+
Cigar end cutter ................... 131 / 249
Cigars or cigarettes ............... 131 / 185
Pipes or cigarette holders ......... 131 / 185
Ignitron (See Electric Space
Discharge device)
Illuminated
Changeable exhibitor ................... 40 / 452
Combined unit ...................... 362 / 253
Clock .................................. 368 / 82
Compact ................................ 132 / 288
Design ............................. D28 / 64.1
Electric ........................... 362 / 135
Dispenser .............................. 222 / 113
Fare box ............................... 232 / 13
Fountain ............................... 239 / 18+
House number ........................... 40 / 584+
Self-luminous ...................... 250 / 462.1
Knobs .................................. 362 / 100
Liquid level gauge ..................... 73 / 293
Picture frame .......................... 40 / 714
Radio dial ............................. 116 / 241+
Refrigerators .......................... 62 / 264
Semaphore arm .......................... 246 / 483
Sign ................................... 40 / 541+
Combined sources of ................ 362 / 253
Illumination ....................... 362 / 253
Fiber optic, ie light pipe ......... 40 / 547
Trap ................................... 43 / 113
Vehicle direction indicator
Pivoted ............................ 116 / 54
Rotatable casing ................... 116 / 49
Rotatable pointer .................. 116 / 48
Weighing scale ......................... 177 / 177+
Illuminating
Gas (see gas, heating & ................ 48
Illuminating) .......................... 48
Liquefying apparatus ............... 62 / 606+
Liquefying process ................. 62 / 606+
Purifying .......................... 423 / 210
Illumination ............................... 362
Ammunition and explosive devices ....... 102 / 513
With tracer ............................ 102 / 513
Bedroom lighting ....................... 362 / 801*
Buoys .................................. 441 / 13+
Cabinets with .......................... 312 / 223.5
Dental or surgical spotlight ........... 362 / 804*
Diagnostic type reflector .............. 600 / 247
Direction indicator .................... 33 / 348
Dispenser .............................. 222 / 113
Drying apparatus ....................... 34 / 88
Egg candling ........................... 356 / 52+
Electric lamp supply systems ........... 315
Electrophotographic copier ............. 399 / 177+
Endoscopes ............................. 600 / 160+
Fans with .............................. 416 / 5
Fountains .............................. 362 / 101
Gags surgical .......................... 600 / 235+
Gas generation ......................... 48
Horticultural .......................... 362 / 805*
Light emitting diode ................... 362 / 545*
Liquid level or depth gage ............. 73 / 293
Liquid level or depth gage ............. 362 / 461+
Optical testing ........................ 356
Ornamental or decorative lighting ...... 362 / 806*
Candle imitation ................... 362 / 810*
Figure ............................. 362 / 808*
Globe .............................. 362 / 809*
Psychedelic ........................ 362 / 811*
Star ............................... 362 / 807*
Parachute flares ....................... 102 / 337+
Pharyngoscopes ......................... 600 / 160+
Photo safe lamp ........................ 362 / 803*
Pivoted type specula ................... 600 / 184+
Pyrotechnics rockets ................... 102 / 347+
Radio dial ............................. 116 / 241+
Shells with ............................ 102 / 513
Signs .................................. 362 / 812*
Stoves heating and illuminating ........ 126 / 97
Stoves illuminating lid or top ......... 126 / 213
Switch position or condition ........... 362 / 464+
Responsive ............................. 362 / 464+
Testing illuminating fluids ............ 73 / 36
Tongue depressors ...................... 600 / 240+
Torches ................................ 102 / 336+
Toys with electric ..................... 446 / 485+
Vehicle simulation ................. 446 / 438+
Illuminators See Illumination
Illusion
Amusement .............................. 472 / 57+
Building structure ................. 472 / 74
Railway amusement vehicle .............. 104 / 83
Optical ............................ 104 / 84
Physical ........................... 104 / 85
Image Analysis ............................. 382
Biomedical application ................. 382 / 128
Error checking or correction ........... 382 / 309
Histogram processing ................... 382 / 168
Image compression ...................... 382 / 272
Image enhancement ...................... 382 / 254
Image segmentation ..................... 382 / 173
Image transformation ................... 382 / 276
Medical diagnostic ..................... 128 / 922*
Neural networks ........................ 382 / 156
Pattern recognition .................... 382 / 181
Personnel identification ............... 382 / 115
Reading paper currency ................. 382 / 135
Robotics ............................... 382 / 153
Image Dissector Television ................. 348 / 207.99+
Cathode ray tube system ................ 348 / 325+
Color .............................. 348 / 284+
Tube structure ..................... 313 / 373+
Image, Generation, Control ................. 345 / 418+
Animation .............................. 345 / 473+
Three dimensional ...................... 345 / 419+
Image, Latent .............................. 428 / 29+
Electrophotographic copier ............. 399 / 130+
Formed or developed .................... 427 / 145
Hidden answer .......................... 434 / 328
Hidden answer .......................... 434 / 348
Hidden code or watermark printing ...... 358 / 3.28
Illuminated signs ...................... 40 / 541+
Imbibition Printing ........................ 101 / 464
Imbrication
Electrophotographic copier ............. 399
Imidazobenzodiazepine ...................... 540 / 562
Imidazobenzodiazepinone .................... 540 / 498
Imidazoles ................................. 548 / 335.1+
Fused polycarboxylic imide ............. 546
Imidazolidines ............................. 548 / 300.1+
Imidazolidones ............................. 548 / 316.4+
Imidazolines ............................... 548 / 347.1+
Imides (See Amides)
Indole nucleus ctg ..................... 548 / 473+
Naphthostyrils ......................... 548 / 437
Polycarboxylic ......................... 546
Imidic Acid Esters ......................... 558 / 6+
Hydroximidic acid esters ............... 558 / 7
Pseudo ureas ........................... 558 / 8
Imidic Acid Halides ........................ 562 / 802+
Isocyanide dihalides ................... 562 / 803
Imitations (See Artificial)
Candle fixture or support .............. 362 / 392
Cane umbrella case ..................... 135 / 18
Firearm, flashes light ................. 362 / 112
Marble in plastic ...................... 264 / 73+
Plural modules on wall
Static mold for making ............. 249 / 16
Stage .................................. 472 / 57+
Props .............................. 472 / 75+
Static mold shaped to .................. 249 / 55
Simulate product of nature ............. 249 / 55
Stitch on shoe ......................... 12 / 32
Water pistol type dispensers ........... 222 / 78+
Immersing and Immersion
Abrading ............................... 451 / 113
Scouring ........................... 451 / 104+
Boiler or deep fat fryer type .......... 99 / 403+
Clothes washing ........................ 68
Coating ................................ 118 / 400+
Method ............................. 427 / 430.1+
Dish and solids washing ................ 134 / 43+
Electric heater ........................ 392 / 497+
Electric heater ........................ 219 / 523
Filling portable receptacles ........... 141 / 110+
Sterilizing ............................ 422 / 301+
Tumbler cleaning with brushing ......... 15 / 76
Water heater ........................... 126 / 348
Welding apparatus ...................... 427 / 430.1+
Immunizing
Antigens ............................... 424 / 184.1+
Cellulose fibers ....................... 8 / 120+
Ferments ............................... 435 / 245
Sera ................................... 424 / 130.1+
Immunoassay ................................ 436 / 818*
Immunoglobulins ............................ 530 / 387.1
Immunological Testing ...................... 436 / 500+
Impact
Absorbtion by flexible barrier
By flexible barrier ................ 49 / 9
By plastic deformation ............. 188 / 371+
By resilient deformation ........... 188 / 268
Comminutor
By fluid stream .................... 241 / 39+
By materials impact ................ 241 / 5
By moving surfaces ................. 241 / 27
Hammer mills ....................... 241 / 185.5+
Drive device for tool .................. 173 / 90
Measuring .............................. 73 / 492
Metal extruding by ..................... 72 / 267
Mining machine ......................... 299 / 69
Operated or operation
Assembling or disassembling ........ 29 / 275
Bump release of .................... 49 / 364
Closure ............................ 49 / 364
Clutch ............................. 173 / 93.5+
Cutter ............................. 30 / 277
Mail catcher load release .......... 258 / 25
Mail catcher load release .......... 258 / 11
Combined ........................... 258 / 11+
Solid material separation .......... 209
Valve .............................. 251 / 76
Plates ................................. 198 / 956*
Recorders .............................. 346 / 7
Scale removal by ....................... 29 / 81.15
Support movable or disengageable on .... 248 / 900*
Impact or overload ..................... 248 / 900*
Testing by ............................. 73 / 12.01+
Hardness ........................... 73 / 82
Shear strength by .................. 73 / 844
Tools
Assembling or diassembling ......... 29 / 275+
Awl or prick punch ................. 30 / 367
Cutter blade mechanism ............. 30 / 277
Drilling bits ...................... 175 / 414+
Electric motor ..................... 310 / 15+
Electric motor systems ............. 318 / 114
Holders ............................ 81 / 487
Internal impact element ............ 81 / 463+
Jack hammer type ................... 175 / 189
Mining or disintegrating ........... 299 / 37.3+
Punch .............................. 30 / 367
Pusher or puller eg explosive ...... 29 / 254
Operated ........................... 29 / 254+
Stonemasons ........................ 125 / 40+
Tunneling .......................... 405 / 132+
Welding apparatus ...................... 228 / 24
Wrenches ............................... 81 / 463
Impaling (See Point; Prong)
Closure remover combined ............... 81 / 3.47
Impaling only eg cork screw ........ 81 / 3.48+
Cooker electrode ....................... 99 / 358
Cooker spit ............................ 99 / 419+
Dispenser .............................. 221 / 213+
Endless conveyor ....................... 198 / 692+
Rake endless chain ..................... 56 / 400.03
Support spiked ......................... 211 / 125
Support stacked article ................ 211 / 54.1+
Traps .................................. 43 / 77+
Impedance (See Condenser; Inductance;
Resistance)
Alternating current regulators ......... 323
Anti inductive telephone system ........ 379 / 416+
Arc lamp frame with .................... 314 / 132
Branched ............................... 333 / 124+
Coupler ................................ 333 / 24 R+
High frequency type .................... 333
In amplifier coupling see
Amplifier
Inductances ............................ 336
Loaded signaling circuit ............... 178 / 45+
Long signaling lines ................... 333 / 236+
Matching ............................... 333 / 32+
Testing of ............................. 324 / 691+
Mechanical vibration ............... 73 / 574+
Transformers ........................... 336
Variable inductance .................... 336
Variable transformer ................... 336
With antenna ........................... 343 / 860+
Plural path ........................ 343 / 852
Impellers See Propellers ................... 416
Compressor
Expansible chamber ................. 418
Jet pump combined .................. 417 / 76+
Screw .............................. 415 / 71+
Fluid reaction surfaces ................ 416
Gas and liquid contact apparatus ....... 261 / 84+
Making
Machines ........................... 29 / 23.51
Process ............................ 29 / 889+
Pump
Centrifugal ........................ 416 / 179+
Expansible chamber ................. 418
Screw .............................. 415 / 71+
Textile impulsing ...................... 68 / 134
Implant
Controlled release of medicines ........ 604 / 891.1
Dental ................................. 433 / 173
Reservoirs ............................. 604 / 93.01
Under skin ......................... 604 / 288.02
Securing conduit to body ............... 604 / 175
Synthetic resin compositions for ....... 523 / 105+
Synthetic resin used for ............... 525 / 937*
Implements (See Instrument; Tool)
Coating or cleaning .................... 15 / 104.001+
Material supply combined ........... 401
Cutter ................................. 30
Earthworking ........................... 172
Bulldozer .......................... 172 / 811+
Embroidering ........................... 112 / 80.03+
Flatiron ............................... 38 / 74+
Handling ............................... 294
Igniting ............................... 431 / 267+
Making ................................. 76
Pushing ................................ 254
Sampling ............................... 73 / 864+
Snow excavating ........................ 37 / 196+
Splicing ............................... 57 / 23
Impregnated
Coating implement ...................... 15 / 104.93+
Product of nature ...................... 428 / 15+
Stone .................................. 428 / 540
Textile ................................ 442 / 59+
Wood ................................... 428 / 541
Impregnating
Abrasive tools ......................... 51 / 295
Apparatus .............................. 118
Beer with carbonic acid ................ 261
Cigars and cigarettes .................. 131 / 362
Compositions ........................... 106
Conductors insulated ................... 174 / 120 R+
Fluid for vacuum containing ........ 174 / 25 R+
Covering apparatus combined ............ 57 / 7
Covering process combined .............. 57 / 7
Match splints .......................... 149 / 3+
Packing with rubber .................... 277 / 442+
Plants living .......................... 47 / 57.5
Processes .............................. 427
Ion plating or impregnation ........ 427 / 523+
Spinning or twisting apparatus ......... 57 / 295
Combined ............................... 57 / 295
Paper or cellulose tape ............ 57 / 32
Textile process combined ............... 28 / 167+
Covered strands .................... 57 / 217
Twisted strands .................... 57 / 250
Tobacco ................................ 131 / 300+
Twisting process combined .............. 57 / 295+
Warp preparation combined .............. 28 / 178+
Impressed
Book ................................... 462 / 56
Leaf ................................... 462 / 67
Impressing
Dental device .......................... 433 / 68+
Mold ............................... 433 / 34+
Leather ................................ 69 / 2
Tobacco labeling ....................... 131 / 113
Improver
Bread or flour ......................... 426 / 653
Impulse (See Electric Impulse
Generator)
Incandescent (See Electrode;
Illumination; light)
Gaseous fuel burners ................... 431 / 100+
Grates for gas burners ................. 126 / 92 R
Igniters for engines ................... 123 / 145 R+
Incandescent lamp ...................... D26 / 2+
Lamps .................................. 313 / 315+
Design ............................. D26
Heaters ............................ 219 / 552+
Making, glass working
Apparatus ...................... 65 / 152+
Methods ........................ 65 / 36+
With arc ........................... 313 / 8
Mantle ................................. 431 / 100+
Mantle packages ........................ 206 / 68
Incendiary
Ammunition and explosive devices ....... 102 / 364+
Compositions for ................... 149
Hazardous or toxic waste ............... 588 / 403
Destruction ............................ 588 / 403
Incense .................................... 424 / 40
Incense Burners
Design ................................. D11 / 131.1
Design, simulative forms ............... D11 / 131.1
Incineration of radioactive waste ...... 976 / DIG 393
Incinerators ............................... D34 / 1.1
Cooking stove .......................... 126 / 222+
Dry matter ............................. 110 / 235+
Garbage ................................ 122 / 2
Hazardous or toxic waste ............... 588 / 900
Destruction ............................ 588 / 900
Wet matter ............................. 110 / 238
Incline (See Hoists)
Elevator ............................... 187 / 245+
Handling type ...................... 414 / 595+
Portable ........................... 187 / 240+
Gravity way ............................ 193
Inclinometer ............................... 33 / 365+
Incubators ................................. 119 / 311+
Automatic control ...................... 236 / 2+
Baby ................................... 600 / 22
Bird ................................... 119 / 311+
Controlled heating systems ............. 237 / 3+
Culture plates or container ............ 435 / 809*
Design ................................. D24 / 163
Heating syste