Classes Arranged by Art Unit: Art Units 3721-3782

Art Unit Class Class Title Subclass Ranges From Subclass Ranges To
3721 53 PACKAGE MAKING 428  
         
3722 29 METAL WORKING 26 A 65
3722 29 METAL WORKING 560 566.4
3722 29 METAL WORKING 650  
         
3722 82 TURNING ALL  
         
3722 279 CHUCKS OR SOCKETS ALL  
         
3722 407 CUTTERS, FOR SHAPING ALL  
         
3722 408 CUTTING BY USE OF ROTATING AXIALLY MOVING TOOL ALL  
         
3722 409 GEAR CUTTING, MILLING, OR PLANING ALL  
         
3722 483 TOOL CHANGING ALL  
         
3723 7 COMPOUND TOOLS ALL  
         
3723 15 BRUSHING, SCRUBBING, AND GENERAL CLEANING ALL  
         
3723 29 METAL WORKING 213.1 243.517
3723 29 METAL WORKING 243.53 283.5
         
3723 81 TOOLS ALL  
         
3723 125 STONE WORKING ALL  
         
3723 157 WHEELWRIGHT MACHINES ALL  
         
3723 254 IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE 1 134.7
3723 254 IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE 418 427
3723 254 IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE DIG 1 DIG 10
3723 254 IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE DIG 16 FOR 000
         
3723 269 WORK HOLDERS ALL  
         
3723 300 BRUSH, BROOM, AND MOP MAKING ALL  
         
3723 451 ABRADING ALL  
         
3724 30 CUTLERY ALL  
         
3724 76 METAL TOOLS AND IMPLEMENTS, MAKING ALL  
         
3724 83 CUTTING ALL  
         
3724 142 WOOD TURNING ALL  
         
3724 225 SEVERING BY TEARING OR BREAKING ALL  
         
3724 234 SELECTIVE CUTTING (E.G., PUNCHING) ALL  
         
3725 29 METAL WORKING 243.518 243.529
         
3725 59 CHAIN, STAPLE, AND HORSESHOE MAKING ALL  
         
3725 72 METAL DEFORMING ALL  
         
3725 79 BUTTON MAKING ALL  
         
3725 100 PRESSES ALL  
         
3725 140 WIREWORKING ALL  
         
3725 144 WOODWORKING ALL  
         
3725 147 COOPERING ALL  
         
3725 163 NEEDLE AND PIN MAKING ALL  
         
3725 241 SOLID MATERIAL COMMINUTION OR DISINTEGRATION ALL  
         
3725 281 BOOKS, STRIPS, AND LEAVES FOR 000  
         
3725 402 BINDER DEVICE RELEASABLY ENGAGING APERTURE OR NOTCH OF SHEET FOR 000  
         
3725 412 BOOKBINDING: PROCESS AND APPARATUS FOR 000  
         
3725 413 SHEET METAL CONTAINER MAKING ALL  
         
3725 470 THREADED, HEADED FASTENER, OR WASHER MAKING: PROCESS AND APPARATUS ALL  
         
3726 29 METAL WORKING 2.1 25
3726 29 METAL WORKING 284 559
3726 29 METAL WORKING 592  
3726 29 METAL WORKING 700 728
3726 29 METAL WORKING 76.1 91.8
3726 29 METAL WORKING 765 824
3726 29 METAL WORKING 888 890.09
3726 29 METAL WORKING 890.11 DIG 105
         
3726 492 ROLL OR ROLLER ALL  
         
3727 220 RECEPTACLES FOR 131 FOR 207
         
3728 12 BOOT AND SHOE MAKING ALL  
         
3729 29 METAL WORKING 25.35 25.42
3729 29 METAL WORKING 592.1 623
3729 29 METAL WORKING 729  
3729 29 METAL WORKING 732 764
3729 29 METAL WORKING 825 887
3729 29 METAL WORKING 890.01  
3729 29 METAL WORKING FOR 000  
         
3729 206 SPECIAL RECEPTACLE OR PACKAGE FOR 000  
         
3731 53 PACKAGE MAKING 429 FOR 000
3731 53 PACKAGE MAKING 48.1 427
         
3731 173 TOOL DRIVING OR IMPACTING ALL  
         
3731 227 ELONGATED-MEMBER-DRIVING APPARATUS ALL  
         
3731 493 MANUFACTURING CONTAINER OR TUBE FROM PAPER; OR OTHER MANUFACTURING FROM A SHEET OR WEB ALL  
         
3732 57 TEXTILES: SPINNING, TWISTING, AND TWINING 100  
3732 112 SEWING 171  
3732 112 SEWING 51  
3732 132 TOILET 230  
         
3733 220 RECEPTACLES 2  
3733 220 RECEPTACLES 544  
         
3734 229 ENVELOPES, WRAPPERS, AND PAPERBOARD BOXES 301  
         
3735 351 OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING FOR 000  
         
3736 206 SPECIAL RECEPTACLE OR PACKAGE .5 6.1
3736 206 SPECIAL RECEPTACLE OR PACKAGE 14 277
3736 206 SPECIAL RECEPTACLE OR PACKAGE 300 315.11
3736 206 SPECIAL RECEPTACLE OR PACKAGE 315.9 500
3736 206 SPECIAL RECEPTACLE OR PACKAGE 521 521.1
3736 206 SPECIAL RECEPTACLE OR PACKAGE 521.2 833
         
3737 128 SURGERY 915 916
3737 128 SURGERY 920 925
         
3738 623 PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR 6.22  
         
3741 60 POWER PLANTS 39.01 269
3741 60 POWER PLANTS 722 917
3741 60 POWER PLANTS FOR 100 FOR 118
         
3741 137 FLUID HANDLING 15.1  
3741 137 FLUID HANDLING 15.2  
         
3741 239 FLUID SPRINKLING, SPRAYING, AND DIFFUSING 127.1 127.3
3741 239 FLUID SPRINKLING, SPRAYING, AND DIFFUSING 265.11 265.43
         
3742 219 ELECTRIC HEATING ALL  
         
3743 110 FURNACES 123  
3743 110 FURNACES FOR 100  
         
3743 1454 VENTILATION 268  
         
3744 62 REFRIGERATION 164  
         
3745 60 POWER PLANTS 325 494
3745 60 POWER PLANTS 532 594
         
3745 91 MOTORS: EXPANSIBLE CHAMBER TYPE 1 471
3745 91 MOTORS: EXPANSIBLE CHAMBER TYPE 508 DIG 4
         
3745 92 EXPANSIBLE CHAMBER DEVICES ALL  
         
3745 415 ROTARY KINETIC FLUID MOTORS OR PUMPS ALL  
         
3745 416 FLUID REACTION SURFACES (I.E., IMPELLERS) ALL  
         
3746 91 MOTORS: EXPANSIBLE CHAMBER TYPE 472 507
3746 91 MOTORS: EXPANSIBLE CHAMBER TYPE FOR 000  
         
3746 417 PUMPS ALL  
         
3747 123 INTERNAL-COMBUSTION ENGINES 1 A 3
3747 123 INTERNAL-COMBUSTION ENGINES 142.5E 198.0D C
3747 123 INTERNAL-COMBUSTION ENGINES 19 42
3747 123 INTERNAL-COMBUSTION ENGINES 250 558
3747 123 INTERNAL-COMBUSTION ENGINES 46 A 89
3747 123 INTERNAL-COMBUSTION ENGINES 567 DIG 13
3747 123 INTERNAL-COMBUSTION ENGINES FOR 100 FOR 128
         
3747 701 DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION 101 115
         
3748 60 POWER PLANTS 272 324
3748 60 POWER PLANTS 495 531
3748 60 POWER PLANTS 595 721
3748 60 POWER PLANTS FOR 000  
         
3748 123 INTERNAL-COMBUSTION ENGINES 18 A 18 R
3748 123 INTERNAL-COMBUSTION ENGINES 200 249
3748 123 INTERNAL-COMBUSTION ENGINES 43 A 45 R
3748 123 INTERNAL-COMBUSTION ENGINES 559.1 566
3748 123 INTERNAL-COMBUSTION ENGINES 90.1 90.67
3748 123 INTERNAL-COMBUSTION ENGINES FOR 000  
         
3748 418 ROTARY EXPANSIBLE CHAMBER DEVICES ALL  
         
3749 122 LIQUID HEATERS AND VAPORIZERS FOR 000 FOR 107
         
3749 126 STOVES AND FURNACES 44  
3749 126 STOVES AND FURNACES 569  
3749 126 STOVES AND FURNACES FOR 000 FOR 139
         
3749 237 HEATING SYSTEMS FOR 000  
         
3749 431 COMBUSTION FOR 000  
         
3749 432 HEATING FOR 000  
         
3749 454 VENTILATION FOR 000  
         
3751 4 BATHS, CLOSETS, SINKS, AND SPITTOONS FOR 000  
         
3751 401 COATING IMPLEMENTS WITH MATERIAL SUPPLY FOR 000  
         
3752 169 FIRE EXTINGUISHERS ALL  
         
3752 239 FLUID SPRINKLING, SPRAYING, AND DIFFUSING 1 127
3752 239 FLUID SPRINKLING, SPRAYING, AND DIFFUSING 128 265
3752 239 FLUID SPRINKLING, SPRAYING, AND DIFFUSING 266 FOR 000
         
3753 137 FLUID HANDLING 1 15.09
3753 137 FLUID HANDLING 15.11 15.19
3753 137 FLUID HANDLING 15.21 FOR 000
         
3753 138 PIPES AND TUBULAR CONDUITS ALL  
         
3753 141 FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS ALL  
         
3753 251 VALVES AND VALVE ACTUATION ALL  
         
3754 4 BATHS, CLOSETS, SINKS, AND SPITTOONS 111.1 DIG 19
         
3754 222 DISPENSING 1 589
3754 222 DISPENSING 608 628
3754 222 DISPENSING 630 FOR 000
         
3754 401 COATING IMPLEMENTS WITH MATERIAL SUPPLY 1 DIG 3
         
3761 99 FOODS AND BEVERAGES: APPARATUS ALL  
         
3761 219 ELECTRICAL HEATING 124.22 623
3761 219 ELECTRICAL HEATING 50 124.1
3761 219 ELECTRICAL HEATING 625 780
         
3761 373 INDUSTRIAL ELECTRIC HEATING FURNACES ALL  
         
3761 392 ELECTRIC RESISTANCE HEATING DEVICES ALL  
         
3762 34 DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS ALL  
         
3762 110 FURNACES 101 A 122
3762 110 FURNACES 124 349
         
3762 122 LIQUID HEATERS AND VAPORIZERS 1 A DIG 16
         
3762 126 STOVES AND FURNACES 1 A 43
3762 126 STOVES AND FURNACES 45 568
3762 126 STOVES AND FURNACES 570 910
         
3762 237 HEATING SYSTEMS 1 R DIG 1
         
3762 422 CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERLIZING FOR 000  
         
3762 431 COMBUSTION 1 365
         
3762 432 HEATING 1 500
         
3762 454 VENTILATION 1 267
3762 454 VENTILATION 269 909
         
3763 62 REFRIGERATION 1 163
3763 62 REFRIGERATION 165 FOR 000
         
3763 165 HEAT EXCHANGE ALL  
         
3763 236 AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION ALL  
         
3765 2 APPAREL ALL  
         
3765 12 BOOT AND SHOE MAKING ALL  
         
3765 19 TEXTILES: FIBER PREPARATION ALL  
         
3765 26 TEXTILES: CLOTH FINISHING ALL  
         
3765 28 TEXTILES: MANUFACTURING ALL  
         
3765 36 BOOTS, SHOES, AND LEGGINGS ALL  
         
3765 38 TEXTILES: IRONING OR SMOOTHING ALL  
         
3765 57 TEXTILES: SPINNING, TWISTING, AND TWINING 1 R 99
3765 57 TEXTILES: SPINNING, TWISTING, AND TWINING 101 FOR 000
         
3765 66 TEXTILES: KNITTING ALL  
         
3765 69 LEATHER MANUFACTURES ALL  
         
3765 87 TEXTILES: BRAIDING, NETTING, AND LACE MAKING ALL  
         
3765 112 SEWING 1 50
3765 112 SEWING 172 FOR 000
3765 112 SEWING 52 170
         
3765 139 TEXTILES: WEAVING ALL  
         
3765 223 APPAREL APPARATUS ALL  
         
3765 245 WIRE FABRICS AND STRUCTURE ALL  
         
3765 289 KNOTS AND KNOT TYING ALL  
         
3765 450 FOUNDATION GARMENTS ALL  
         
3765 700 DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS 131 144
         
3771 600 SURGERY 184  
         
3771 601 SURGERY: KINESITHERAPY 154  
         
3771 606 SURGERY 106 236
         
3771 623 PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACESSORIES THEREFOR 1.11 1.12
3771 623 PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACESSORIES THEREFOR 1.23  
3771 623 PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACESSORIES THEREFOR 211  
3771 623 PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACESSORIES THEREFOR 23.72  
3771 623 PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACESSORIES THEREFOR 23.74  
3771 623 PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACESSORIES THEREFOR 6.12  
         
3772 433 DENTISTRY ALL  
         
3773 600 SURGERY 185 249
         
3773 606 SURGERY 103  
3773 606 SURGERY 246 279
3773 606 SURGERY 53 68
3773 606 SURGERY 86 A  
3773 606 SURGERY 900 901
3773 606 SURGERY 914  
3773 606 SURGERY FOR 100 FOR 103
         
3773 623 PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR 17.11 17.16
3773 623 PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR 6.12  
         
3774 128 SURGERY 898  
         
3774 623 PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR 1.1  
3774 623 PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR 1.13 1.22
3774 623 PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR 1.24 2.1
3774 623 PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR 17.17 23.71
3774 623 PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR 2.12 6.11
3774 623 PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR 23.73  
3774 623 PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR 23.75 FOR 119
         
3775 606 SURGERY 104 105.5
3775 606 SURGERY 280 331
         
3776 132 TOILET ALL  
         
3777 600 SURGERY 309 344
         
3779 600 SURGERY 101 183
         
3781 150 PURSES, WALLETS, AND PROTECTIVE COVERS ALL  
         
3781 190 TRUNKS AND HAND-CARRIED LUGGAGE ALL  
         
3781 206 SPECIAL RECEPTACLE OR PACKAGE 278 299
3781 206 SPECIAL RECEPTACLE OR PACKAGE 315.2 315.8
3781 206 SPECIAL RECEPTACLE OR PACKAGE 501 520
3781 206 SPECIAL RECEPTACLE OR PACKAGE 521.15  
3781 206 SPECIAL RECEPTACLE OR PACKAGE 8 11
         
3781 215 BOTTLES AND JARS ALL  
         
3781 217 WOODEN RECEPTACLES ALL  
         
3781 220 RECEPTACLES FOR 131 FOR 207
         
3782 224 PACKAGE AND ARTICLE CARRIERS ALL  
         
3782 229 ENVELOPES, WRAPPERS, AND PAPERBOARD BOXES ALL  
         
3782 383 FLEXIBLE BAGS ALL