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Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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Class 37 | EXCAVATING |
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300 | GRAVE DIGGER |
301 | LAND CLEARER |
3 | PEAT EXCAVATORS |
196 | SNOW OR ICE REMOVING OR GROOMING BY PORTABLE DEVICE |
197 | Process |
198 | Railway clearer |
199 | With melter |
201 | Explosive |
202 | Fluid current conveyor |
203 | For clearing single rail of set |
204 | Electrified rail |
205 | Including rotary excavating tool |
207 | Including means clearing side of, or groove in, rail |
208 | With endless conveyor |
209 | Having rotary excavating tool |
214 | Having scraper blade |
219 | Snow or ice surface groomer |
225 | With compressor die |
227 | With melter |
231 | With specific means to facilitate connection to, or disconnection from, vehicle |
232 | Vehicle mount with obstacle responsive trip, or yieldable tool (e.g., brush) |
234 | Including specific hydraulic control system to position implement |
235 | Vehicle mount including power lift |
237 | With endless conveyor |
241 | Combined or convertible |
244 | Motorized rotary excavating tool |
245 | Tool arresting means responsive to sensed condition |
246 | Electric motor drive |
247 | Rotor shaft adjustable relative to direction of travel |
248 | Diverse multistage rotary tools or tool portions (e.g., feeding and throwing, etc.) |
253 | Fed by scraper blade |
257 | Screw-type auger |
259 | Centrifugal impeller |
260 | Having specific flow guide |
263 | Tool prepares wheel path for passage of wheel |
264 | Scoop |
266 | Scraper blade |
267 | Invertible |
268 | Pulled (e.g., by horse or vehicle) |
270 | Mounted on surface contacting support or guide |
272 | V-shaped |
273 | Adjustable or collapsible apex |
274 | And auxiliary wing or extension |
276 | Diverging forwardly |
277 | Supported on inclined plane |
278 | Manually powered |
279 | Diagonally oriented |
285 | Manually powered |
304 | SELF-LOADING VEHICLE |
307 | BENEATH A BODY OF WATER (E.G., DREDGER) |
308 | With signal, scale, indicator, or inspection means |
309 | With means to control dredger operation (e.g., movement of dredged material) in response to sensed condition |
313 | By use of submarine or undersea vessel |
314 | Adapted to excavate specific discrete material |
317 | Suction |
318 | Having intake screen |
320 | With pumping chamber |
321 | With means to introduce lift agent directly into suction pipe |
323 | With fluid jet digger adjacent suction inlet |
324 | Including driven digger adjacent suction inlet (e.g., cutterhead dredger) |
325 | With specific bearing, or means to lubricate or seal |
326 | Rotary |
329 | Axis transverse with respect to suction pipe |
330 | Axis vertical with respect to surface of body of water |
331 | Axis longitudinal with respect to suction pipe |
327 | Specific cutterhead structure |
332 | Endless |
333 | Draghead dredger (e.g., dustpan dredger) |
334 | With pipe suspension or support (e.g., ladder structure) |
335 | Pipe or nozzle structure |
337 | Rotary digger (e.g., bucket wheel) |
338 | Endless |
340 | Grab |
341 | Scoop or bucket |
342 | With means to scour or scrape (e.g., propeller means, digging teeth, plow) |
345 | With vessel, propulsion, or anchor structure (e.g., bank spud, spud brace) |
347 | DITCHER |
348 | Condition responsive |
349 | With crumber |
350 | Having screw digger |
352 | Having endless digger |
364 | With side or auxiliary cutter |
91 | Wheel excavator |
366 | Plow |
367 | Slit ditcher |
370 | Mole plow |
372 | With plow supported wheel or supported on wheel frame |
373 | With conveyor |
378 | With colter |
379 | Shovel or scoop |
104 | RAILWAY GRADERS |
381 | ROAD GRADER-TYPE |
382 | Condition responsive |
383 | Including ground supported, grader guiding rail |
386 | Rotary digger |
388 | Transverse endless digger |
389 | Plow with transverse endless conveyor |
391 | Plow with transverse conveyor wheel |
393 | Plow with inclined axis conveyor wheel |
394 | CABLE-OPERATED (E.G., DRAGLINE) |
395 | Boom-type |
396 | Including means to control digging, hoisting, and dumping |
397 | Including mounting or support structure (e.g., boom support, sheave or pulley support) |
398 | Scoop or bucket |
400 | Trolley-supported |
403 | COMBINED OR CONVERTIBLE |
468 | Having quick-connect coupling |
404 | Combined with subsoiler |
405 | Combined with fork or rake |
406 | Combined with clamp, grapple, or shear |
407 | With scraper |
411 | SCOOP OR EXCAVATING AND TRANSPORTING CONTAINER |
413 | With alarm, indicator, signal, or inspection means |
412 | Supported on vehicle between longitudinally spaced ground supports |
414 | Condition responsive or programmable means controls the excavating operation |
415 | Control of attitude or depth of cut |
416 | Control of scoop component (e.g., elevator, apron, or ejector) |
417 | With specific suspension or means to steer or facilitate mounting of implement on vehicle |
418 | With tandem or plural scoops or compartments |
419 | With means to aid loading or load distribution |
424 | With coaction between apron or elevator and bowl |
426 | With coaction between apron or elevator and ejector |
427 | With significant bowl structure or manipulation |
429 | With significant apron structure or manipulation |
431 | With particular unloading feature |
435 | Mounted rearwardly of vehicle |
467 | Handled or hand operated |
436 | Bowl operatively connected to wheel axle |
441 | Dumping runner or revolving-type |
434 | Manually operated (e.g., two-wheel barrow) |
442 | Pushed forwardly of vehicle for filling |
443 | Dipper-type (e.g., backhoe bucket) |
444 | Scoop or bucket structure, per se |
446 | DIGGING EDGE |
447 | Oscillating or reciprocating |
448 | Corner guard (e.g., corner tooth) |
449 | Repositionable digging edge (e.g., reversible) |
450 | Removable digging edge having integral tooth adaptor |
451 | Distinct wear element mounted between teeth |
452 | Tooth or adaptor |
453 | Having wear cap |
454 | Repositionable or replaceable tooth (e.g., reversible) |
455 | Mounting or retaining means |
460 | Specific material (e.g., specialty steel, heat treatment of material, specific hardness test) |
142.5 | DITCH FILLER |
182 | ORANGE-PEEL BUCKETS |
461 | CLAMSHELL BUCKET |
189 | ROTARY DIGGER |
462 | ENDLESS DIGGER |
195 | PROCESSES |
466 | MISCELLANEOUS |
CROSS-REFERENCE ART COLLECTIONS | ||
901 | BUCKET CLEANERS |
902 | HYDRAULIC MOTORS |
903 | SCOOP OR SCRAPER ATTACHMENTS |
904 | VIBRATION MEANS FOR EXCAVATING TOOL |
905 | NONDREDGE EXCAVATING BY FLUID CONTACT OR EXPLOSION |
906 | VISUAL AIDS AND INDICATORS FOR EXCAVATING TOOL |
907 | AUTOMATIC LEVELING EXCAVATORS |
908 | CANAL CLEANERS |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
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