What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.
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Class Number: D08 Class Title: TOOLS AND HARDWARE Subclass Subclass Number Title 1 TOOLS AND IMPLEMENTS FOR AGRICULTURE, FORESTRY AND HORTICULTURE (51) 2 .With discharge spout or nozzle, e.g., hand-held insecticide dusters, seed planters, etc. 3 .Finger-attached 4 .Jaws activated by relatively movable plural handles, e.g., tongs, plier type, etc. 5 ..Cutting blade 6 .Provided with cutting blade and tines 7 .Provided with cutting blade 8 ..Rotary or reciprocating 9 ..Notched or serrated 10 ..Shovel or trowel 11 ..Hoe or mattock 12 ..Scythe or harvesting knife 13 .Provided with tines 14 OTHER TOOLS AND IMPLEMENTS 14.1 .Lubricating or caulking gun 15 .Carpet 16 .Entire article formed substantially from a single piece of sheet material (1) 17 ..Wrench (2) 18 ..Can or bottle opener 19 ..Substantially flat 20 ...Cutting blade, e.g., saw, etc. 21 .Wrench (3) 22 ..Adjustable 23 ...Swinging jaw 24 ...Torque 25 ...Ratchet 26 ..Combined with disparate article 27 ..Spanner 28 ..Open end or box 29 ..Socket 29.1 .Heat gun, e.g., paint stripper, etc. 29.2 .Defrosting implement 30 .Fusing, e.g., soldering, etc. 31 .Tire, e.g., repair, etc. 32 .Rail or pipe bender 33 .Can or bottle opener 34 ..Combined with disparate article (4) 35 ...Sharpener 36 ..Powered 37 ..Wall-mounted 38 ..Simulative in form or motif 39 ..Relatively movable plural handles 40 ..Hand-held and manipulated 41 ...With material-cutting element 42 ....Cork remover 43 ....Combined with cap-removing feature 44 .Strap or wire tensioning 45 .Plaster or masonry finishing (52)) 46 .Anvil 47 .Chisel, nail set, awl, or wedge 48 .Staple remover 49 .Stapler 50 ..Anvil provides staple deformation 51 .With relative movement of parts while performing function 52 ..Jaws activated by relatively movable plural handles, e.g., pliers, etc. 53 ...With simulative motif 54 ...Jaws diverge as handles converge 55 ...Combination tool (5) 56 ...Work held between pivot and handles (6) 57 ...Loop-type handle, e.g., scissors, etc. 58 ...Opposed jaws and handles substantially similar 59 ..Transmitted by rotating crank-type handle 60 ..Pipe or tube cutter 61 ..Power tool 62 ...Sander or grinder 63 ....Knife or scissors sharpener (7) 64 ...Saw (8) 65 ....Chain 66 ....Circular 67 ...Plural handles 68 ...Pistol grip (9) 69 ...With loop-type handle 70 ...Attachments 70.1 .Film splicer or cutter 71 .Work or tool holder (10) 72 ..Clamp 73 ...C-clamp type 74 ...Vise 75 .Hammer type 76 ..Ax, hatchet, or adz 77 ..Mallet, e.g., opposed duplicate faces, etc. 78 ..Head 79 ...Claw 80 ..Handle or handle attachments 81 ..Combined with distinct tool element (11) 82 .Screwdriver type 83 ..Handle 84 ...Plural 85 ..Plural bit or socket 86 ..Bit or shaft 87 ..Plural function, e.g., combined with light, etc. 88 .Lever 89 ..Nail or pry bar 90 .Abrading 91 ..Sharpener 92 ...Razor or razor blade 93 ...Knife or scissors 94 ..Handle 95 .Handsaw 96 ..Blade supported at both ends 97 ..Handle 98 .Cutting 99 ..Folding or sliding blade 100 ...With simulative motif 101 ..Wood plane or drawknifee 102 ..Letter opener 103 ...With simulative motif 104 ...Combined with disparate article or plural function 105 .Combination tool 106 .Adjustable 107 .Handle 300 HANDLE, KNOB OR PULL (12) 301 .Combined (13) 302 ..With latch actuator (14) 303 .Handlebar grip or hand grip 305 .Simulative 306 .Pivoted or hinged to use position 307 .Singular point of attachment 308 ..Lever 309 ...Crank (15) 310 ..Substantially circular or oval 311 ...With grip bar or pointer 312 ...With peripheral striations or depressions 313 .Recessed finger grip 314 ..With open ends 315 .Bar type, i.e., having gripping surface spaced from mounting surface (16) 316 ..Symmetrical in front elevation on transverse and longitudinal axes 317 ...Arcuate pattern or outline 318 ....Sinuous 319 ..Symmetrical in front elevation on transverse axis 320 ..Symmetrical in front elevation on longitudinal axis 321 .Element or attachment (17) 322 ..Cover 323 HINGE (18) 324 .Simulative 325 .Flexible singular element, i.e., self-hinge type 326 .For toilet seat 327 .Leaf type 328 ..Symmetrical leaves 329 ..Offset 330 LOCKING OR CLOSING DEVICE (19) 331 .Lock, latch or bolt (20) 332 ..With alarm 333 ..Closed loop 334 ...Padlock (21) 335 ....Simulative 336 ..Swinging into engagement 337 ...Rotary motion window lock (22) 338 ...With distinct lever, knob or key release, or with provision therefor 339 ..Sliding into engagement 340 ...Chained bolt 341 ...With distinct lever, knob or key release, or with provision therefor (23) 342 ...Resilient engagement 343 ..Element or attachment (24) 344 ...Keeper or receiver (25) 345 ....Hasp staple 346 ...Protective cover (26) 347 ...Key 348 ....Simulativee 349 FASTENER, SUPPORT OR MOUNT NOT ELSEWHERE SPECIFIED (27) 350 .Escutcheon (28) 351 ..Simulative 352 ..Substantially circular or oval 353 ..Substantially rectangular or square 354 .Support, guide or spacer (29) 355 ..Adjustable (30) 356 ..For flexible continuous material, i.e., rope, hose, belting, etc. (31) 357 ...Ignition wire manifold 358 ...Reel (32) 359 ....With crank or handle 360 ...Pulley 360.1 ...Twine holder 363 ..Standoff or crane type, e.g., handrail support, curtain rod support, etc. (34) 364 ...Electrical insulator bracket (35) 365 ...Simulative 366 ...Formed entirely of sheet material 367 ..Hook or eye (36) 368 ...Rigid loop or tieback for drapery (37) 369 ...With drapery pleating feature (38) 370 ...Formed entirely of wire 371 ...Formed entirely of sheet material 372 ...Plural (39) 373 ..Article supported vertically or suspended (50) 374 ...Furniture bearing (40) 375 ....Caster 376 ...Elongated, e.g., curtain rod, pole, etc.(41) 377 ....Track type, i.e., traverse rod, door track, etc. 378 ....Finial 379 ....Center ornament 380 ..Article supported horizontally 381 ...Shelf bracket (42) 382 .Fastener or coupling (43) 383 ..Locking slip or clutch for flexible material 384 ..Wall tie 385 ..Expanding, e.g., wall anchor 386 ...Rivet 387 ..Externally threaded, i.e., screw or bolt 388 ..Piercing 389 ...Plural piercing elements 390 ....Staple type, i.e., having two spaced points 391 ...Nail or spike (44) 392 ....Offset head 393 ....With rib or groove on shank 394 ..Clamping or gripping (45) 395 ...Resilient or spring biased 396 ...For cylindrical material 397 ...Nut or head 398 ...Wing type 399 ..Washer or nut lock 400 FITTING FOR DOOR, WINDOW OR FURNITURE NOT ELSEWHERE SPECIFIED (46) 401 .Knocker 402 .Stop or bumper (47) 403 ..Corner protector 404 .Push plate (48)) 499 MISCELLANEOUS (49) DIG 1 Handles, pull-type DIG 2 Handles, knob-type, circular, square and rectangular DIG 3 Handles, knob-type, faucet and valve wheels DIG 4 Handles, elongated-type, knife and fork DIG 5 Handles, elongated-type, sword handles DIG 6 Handles, elongated-type, golf and ski grips DIG 7 Handles, elongated-type, tool handles DIG 8 Handles, elongated-type, bicycle grips DIG 9 Handles, asymmetrical-type, coffee, teapot and pitcher DIG 10 Handles, asymmetrical-type, lever-type