| Art Unit | Class | Class Title | Subclass Ranges From | Subclass Ranges To |
|---|---|---|---|---|
| 3721 | 53 | PACKAGE MAKING | ALL | |
| 3721 | 173 | TOOL DRIVING OR IMPACTING | ALL | |
| 3721 | 227 | ELONGATED-MEMBER-DRIVING APPARATUS | ALL | |
| 3721 | 493 | MANUFACTURING CONTAINER OR TUBE FROM PAPER; OR OTHER MANUFACTURING FROM A SHEET OR WEB | ALL | |
| 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 | 82 | TURNING | 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 | |
| 3724 | 407 | CUTTERS, FOR SHAPING | 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 | ALL | |
| 3725 | 283 | PRINTED MATTER | ALL | |
| 3725 | 402 | BINDER DEVICE RELEASABLY ENGAGING APERTURE OR NOTCH OF SHEET | ALL | |
| 3725 | 412 | BOOKBINDING: PROCESS AND APPARATUS | ALL | |
| 3725 | 413 | SHEET METAL CONTAINER MAKING | ALL | |
| 3725 | 462 | BOOKS, STRIPS, AND LEAVES FOR MANIFOLDING | 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 | |
| 3726 | 492 | ROLL OR ROLLER | ALL | |
| 3727 | 220 | RECEPTACLES | FOR 131 | FOR 207 |
| 3728 | 12 | BOOT AND SHOE MAKING | ALL | |
| 3728 | 36 | BOOTS, SHOES, AND LEGGINGS | ALL | |
| 3728 | 206 | SPECIAL RECEPTACLE OR PACKAGE | .5 | 6.1 |
| 3728 | 206 | SPECIAL RECEPTACLE OR PACKAGE | 14 | 277 |
| 3728 | 206 | SPECIAL RECEPTACLE OR PACKAGE | 300 | 315.11 |
| 3728 | 206 | SPECIAL RECEPTACLE OR PACKAGE | 315.9 | 500 |
| 3728 | 206 | SPECIAL RECEPTACLE OR PACKAGE | 521 | 521.1 |
| 3728 | 206 | SPECIAL RECEPTACLE OR PACKAGE | 521.2 | 833 |
| 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 | |
| 3732 | 433 | DENTISTRY | ALL | |
| 3733 | 600 | SURGERY | 185 | 249 |
| 3733 | 606 | SURGERY | 103 | |
| 3733 | 606 | SURGERY | 246 | 279 |
| 3733 | 606 | SURGERY | 53 | 68 |
| 3733 | 606 | SURGERY | 86 A | |
| 3733 | 606 | SURGERY | 900 | 901 |
| 3733 | 606 | SURGERY | 914 | |
| 3733 | 606 | SURGERY | FOR 100 | FOR 103 |
| 3733 | 623 | PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR | 17.11 | 17.16 |
| 3734 | 623 | PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR | 1.11 | 1.12 |
| 3735 | 128 | SURGERY | 897 | |
| 3735 | 128 | SURGERY | 899 | |
| 3735 | 351 | OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING | FOR 000 | |
| 3735 | 600 | SURGERY | 1 | 15 |
| 3735 | 600 | SURGERY | 19 | 41 |
| 3735 | 600 | SURGERY | 302 | 308 |
| 3735 | 600 | SURGERY | 345 | 371 |
| 3735 | 600 | SURGERY | 481 | 507 |
| 3735 | 600 | SURGERY | 529 | 545 |
| 3736 | 600 | SURGERY | 398 | 406 |
| 3736 | 600 | SURGERY | 546 | 595 |
| 3737 | 128 | SURGERY | 915 | 916 |
| 3737 | 128 | SURGERY | 920 | 925 |
| 3737 | 600 | SURGERY | 407 | 480 |
| 3737 | 601 | SURGERY: KINESITHERAPY | 2 | 4 |
| 3738 | 128 | SURGERY | 898 | |
| 3738 | 623 | PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR | 1.1 | |
| 3738 | 623 | PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR | 1.13 | 1.22 |
| 3738 | 623 | PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR | 1.24 | 2.1 |
| 3738 | 623 | PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR | 17.17 | 23.71 |
| 3738 | 623 | PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR | 2.12 | 6.11 |
| 3738 | 623 | PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR | 23.73 | |
| 3738 | 623 | PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR | 23.75 | FOR 119 |
| 3738 | 623 | PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR | 6.13 | 16.11 |
| 3739 | 600 | SURGERY | 372 | 397 |
| 3739 | 600 | SURGERY | 920 | FOR 000 |
| 3739 | 606 | SURGERY | 20 | 52 |
| 3739 | 606 | SURGERY | FOR 000 | |
| 3739 | 607 | SURGERY: LIGHT, THERMAL, AND ELECTRICAL APPLICATION | 900 | 902 |
| 3739 | 607 | SURGERY: LIGHT, THERMAL, AND ELECTRICAL APPLICATION | 96 | 114 |
| 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 | 99 | FOODS AND BEVERAGES: APPARATUS | ALL | |
| 3742 | 219 | ELECTRIC HEATING | ALL | |
| 3742 | 373 | INDUSTRIAL ELECTRIC HEATING FURNACES | ALL | |
| 3742 | 392 | ELECTRIC RESISTANCE HEATING DEVICES | ALL | |
| 3743 | 34 | DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS | ALL | |
| 3743 | 110 | FURNACES | ALL | |
| 3744 | 62 | REFRIGERATION | ALL | |
| 3744 | 165 | HEAT EXCHANGE | ALL | |
| 3744 | 236 | AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION | ALL | |
| 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 | ALL | |
| 3749 | 126 | STOVES AND FURNACES | ALL | |
| 3749 | 237 | HEATING SYSTEMS | ALL | |
| 3749 | 431 | COMBUSTION | ALL | |
| 3749 | 432 | HEATING | ALL | |
| 3749 | 454 | VENTILATION | ALL | |
| 3751 | 4 | BATHS, CLOSETS, SINKS, AND SPITTOONS | ALL | |
| 3751 | 141 | FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS | ALL | |
| 3751 | 251 | VALVES AND VALVE ACTUATION | ALL | |
| 3751 | 401 | COATING IMPLEMENTS WITH MATERIAL SUPPLY | ALL | |
| 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 | 251 | VALVES AND VALVE ACTUATION | ALL | |
| 3754 | 138 | PIPES AND TUBULAR CONDUITS | ALL | |
| 3754 | 222 | DISPENSING | 1 | 589 |
| 3754 | 222 | DISPENSING | 608 | 628 |
| 3754 | 222 | DISPENSING | 630 | FOR 000 |
| 3761 | 27 | UNDERTAKING | 21.1 | 25.1 |
| 3761 | 422 | CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING | 44 | 48 |
| 3761 | 604 | SURGERY | 1 | 18 |
| 3761 | 604 | SURGERY | 289 | 357 |
| 3761 | 604 | SURGERY | 403 | 416 |
| 3761 | 604 | SURGERY | 540 | 544 |
| 3761 | 604 | SURGERY | 904 | |
| 3761 | 604 | SURGERY | 921 | |
| 3762 | 422 | CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING | FOR 000 | |
| 3762 | 607 | SURGERY: LIGHT, THERMAL, AND ELECTRICAL APPLICATION | 77 | 87 |
| 3762 | 607 | SURGERY: LIGHT, THERMAL, AND ELECTRICAL APPLICATION | 139 | FOR 000 |
| 3763 | 604 | SURGERY | 19 | 288.04 |
| 3763 | 604 | SURGERY | 500 | 539 |
| 3763 | 604 | SURGERY | 890.1 | 903 |
| 3763 | 604 | SURGERY | 905 | 920 |
| 3763 | 604 | SURGERY | FOR 000 | |
| 3764 | 482 | EXERCISE DEVICES | ALL | |
| 3765 | 2 | APPAREL | ALL | |
| 3765 | 19 | TEXTILES: FIBER PREPARATION | ALL | |
| 3765 | 26 | TEXTILES: CLOTH FINISHING | ALL | |
| 3765 | 28 | TEXTILES: MANUFACTURING | ALL | |
| 3765 | 38 | TEXTILES: IRONING OR SMOOTHING | ALL | |
| 3765 | 57 | TEXTILES: SPINNING, TWISTING, AND TWINING | ALL | |
| 3765 | 66 | TEXTILES: KNITTING | ALL | |
| 3765 | 69 | LEATHER MANUFACTURES | ALL | |
| 3765 | 87 | TEXTILES: BRAIDING, NETTING, AND LACE MAKING | ALL | |
| 3765 | 112 | SEWING | ALL | |
| 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 |
| 3766 | 600 | SURGERY | 16 | 18 |
| 3766 | 600 | SURGERY | 508 | 528 |
| 3766 | 607 | SURGERY: LIGHT, THERMAL, AND ELECTRICAL APPLICATION | 1 | 76 |
| 3766 | 607 | SURGERY: LIGHT, THERMAL, AND ELECTRICAL APPLICATION | 115 | 138 |
| 3769 | 600 | SURGERY | 300 | 301 |
| 3769 | 606 | SURGERY | 1 | 19 |
| 3769 | 607 | SURGERY: LIGHT, THERMAL, AND ELECTRICAL APPLICATION | 77 | 95 |
| 3771 | 128 | SURGERY | 200.11 | 207.29 |
| 3771 | 601 | SURGERY: KINESITHERAPY | 1 | |
| 3771 | 601 | SURGERY: KINESITHERAPY | 5 | FOR 000 |
| 3771 | 606 | SURGERY | 237 | 245 |
| 3772 | 128 | SURGERY | 830 | 894 |
| 3772 | 128 | SURGERY | 900 | 914 |
| 3772 | 128 | SURGERY | 917 | 919 |
| 3772 | 128 | SURGERY | 95.1 | 126.1 |
| 3772 | 128 | SURGERY | DIG 1 | FOR 000 |
| 3772 | 602 | SURGERY: SPLINT, BRACE, OR BANDAGE | ALL | |
| 3773 | 600 | SURGERY | 184 | |
| 3773 | 606 | SURGERY | 106 | 236 |
| 3773 | 623 | PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR | 1.11 | 1.12 |
| 3773 | 623 | PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR | 1.23 | |
| 3773 | 623 | PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR | 2.11 | |
| 3773 | 623 | PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR | 23.72 | |
| 3773 | 623 | PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR | 23.74 | |
| 3773 | 623 | PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR | 6.12 | |
| 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 | |