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Class   37EXCAVATING
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 [List of Pre Grant Publications for class 37 subclass 300][List of Patents for class 37 subclass 300]300 GRAVE DIGGER
[List of Pre Grant Publications for class 37 subclass 301][List of Patents for class 37 subclass 301]301 LAND CLEARER
 [List of Pre Grant Publications for class 37 subclass 302][List of Patents for class 37 subclass 302]302 Subclass 302 indent level is 1 Tree or stump remover
 [List of Pre Grant Publications for class 37 subclass 303][List of Patents for class 37 subclass 303]303 Subclass 303 indent level is 1 Stone remover
 [List of Pre Grant Publications for class 37 subclass 3][List of Patents for class 37 subclass 3]3 PEAT EXCAVATORS
[List of Pre Grant Publications for class 37 subclass 196][List of Patents for class 37 subclass 196]196 SNOW OR ICE REMOVING OR GROOMING BY PORTABLE DEVICE
 [List of Pre Grant Publications for class 37 subclass 197][List of Patents for class 37 subclass 197]197 Subclass 197 indent level is 1 Process
[List of Pre Grant Publications for class 37 subclass 198][List of Patents for class 37 subclass 198]198 Subclass 198 indent level is 1 Railway clearer
[List of Pre Grant Publications for class 37 subclass 199][List of Patents for class 37 subclass 199]199 Subclass 199 indent level is 2 With melter
 [List of Pre Grant Publications for class 37 subclass 201][List of Patents for class 37 subclass 201]201 Subclass 201 indent level is 2 Explosive
 [List of Pre Grant Publications for class 37 subclass 202][List of Patents for class 37 subclass 202]202 Subclass 202 indent level is 2 Fluid current conveyor
[List of Pre Grant Publications for class 37 subclass 203][List of Patents for class 37 subclass 203]203 Subclass 203 indent level is 2 For clearing single rail of set
 [List of Pre Grant Publications for class 37 subclass 208][List of Patents for class 37 subclass 208]208 Subclass 208 indent level is 2 With endless conveyor
[List of Pre Grant Publications for class 37 subclass 209][List of Patents for class 37 subclass 209]209 Subclass 209 indent level is 2 Having rotary excavating tool
[List of Pre Grant Publications for class 37 subclass 214][List of Patents for class 37 subclass 214]214 Subclass 214 indent level is 2 Having scraper blade
[List of Pre Grant Publications for class 37 subclass 219][List of Patents for class 37 subclass 219]219 Subclass 219 indent level is 1 Snow or ice surface groomer
 [List of Pre Grant Publications for class 37 subclass 220][List of Patents for class 37 subclass 220]220 Subclass 220 indent level is 2 Including rut cutter
[List of Pre Grant Publications for class 37 subclass 221][List of Patents for class 37 subclass 221]221 Subclass 221 indent level is 2 Having diverse tools
[List of Pre Grant Publications for class 37 subclass 223][List of Patents for class 37 subclass 223]223 Subclass 223 indent level is 2 Having rotary tool
[List of Pre Grant Publications for class 37 subclass 225][List of Patents for class 37 subclass 225]225 Subclass 225 indent level is 1 With compressor die
 [List of Pre Grant Publications for class 37 subclass 226][List of Patents for class 37 subclass 226]226 Subclass 226 indent level is 2 And heater
[List of Pre Grant Publications for class 37 subclass 227][List of Patents for class 37 subclass 227]227 Subclass 227 indent level is 1 With melter
[List of Pre Grant Publications for class 37 subclass 228][List of Patents for class 37 subclass 228]228 Subclass 228 indent level is 2 Having heated transport chamber
 [List of Pre Grant Publications for class 37 subclass 230][List of Patents for class 37 subclass 230]230 Subclass 230 indent level is 2 Manually powered
 [List of Pre Grant Publications for class 37 subclass 231][List of Patents for class 37 subclass 231]231 Subclass 231 indent level is 1 With specific means to facilitate connection to, or disconnection from, vehicle
[List of Pre Grant Publications for class 37 subclass 232][List of Patents for class 37 subclass 232]232 Subclass 232 indent level is 1 Vehicle mount with obstacle responsive trip, or yieldable tool (e.g., brush)
 [List of Pre Grant Publications for class 37 subclass 233][List of Patents for class 37 subclass 233]233 Subclass 233 indent level is 2 Resilient impeller or blade
 [List of Pre Grant Publications for class 37 subclass 234][List of Patents for class 37 subclass 234]234 Subclass 234 indent level is 1 Including specific hydraulic control system to position implement
[List of Pre Grant Publications for class 37 subclass 235][List of Patents for class 37 subclass 235]235 Subclass 235 indent level is 1 Vehicle mount including power lift
 [List of Pre Grant Publications for class 37 subclass 236][List of Patents for class 37 subclass 236]236 Subclass 236 indent level is 2 Power means is hydraulically actuated piston
[List of Pre Grant Publications for class 37 subclass 237][List of Patents for class 37 subclass 237]237 Subclass 237 indent level is 1 With endless conveyor
 [List of Pre Grant Publications for class 37 subclass 238][List of Patents for class 37 subclass 238]238 Subclass 238 indent level is 2 And rotary excavating tool
 [List of Pre Grant Publications for class 37 subclass 239][List of Patents for class 37 subclass 239]239 Subclass 239 indent level is 2 Multistage conveyors
 [List of Pre Grant Publications for class 37 subclass 240][List of Patents for class 37 subclass 240]240 Subclass 240 indent level is 2 Carrying excavating tool
[List of Pre Grant Publications for class 37 subclass 241][List of Patents for class 37 subclass 241]241 Subclass 241 indent level is 1 Combined or convertible
[List of Pre Grant Publications for class 37 subclass 242][List of Patents for class 37 subclass 242]242 Subclass 242 indent level is 2 Rotary excavating tool
[List of Pre Grant Publications for class 37 subclass 244][List of Patents for class 37 subclass 244]244 Subclass 244 indent level is 1 Motorized rotary excavating tool
 [List of Pre Grant Publications for class 37 subclass 245][List of Patents for class 37 subclass 245]245 Subclass 245 indent level is 2 Tool arresting means responsive to sensed condition
 [List of Pre Grant Publications for class 37 subclass 246][List of Patents for class 37 subclass 246]246 Subclass 246 indent level is 2 Electric motor drive
 [List of Pre Grant Publications for class 37 subclass 247][List of Patents for class 37 subclass 247]247 Subclass 247 indent level is 2 Rotor shaft adjustable relative to direction of travel
[List of Pre Grant Publications for class 37 subclass 248][List of Patents for class 37 subclass 248]248 Subclass 248 indent level is 2 Diverse multistage rotary tools or tool portions (e.g., feeding and throwing, etc.)
[List of Pre Grant Publications for class 37 subclass 253][List of Patents for class 37 subclass 253]253 Subclass 253 indent level is 2 Fed by scraper blade
[List of Pre Grant Publications for class 37 subclass 257][List of Patents for class 37 subclass 257]257 Subclass 257 indent level is 2 Screw-type auger
 [List of Pre Grant Publications for class 37 subclass 259][List of Patents for class 37 subclass 259]259 Subclass 259 indent level is 2 Centrifugal impeller
[List of Pre Grant Publications for class 37 subclass 260][List of Patents for class 37 subclass 260]260 Subclass 260 indent level is 2 Having specific flow guide
 [List of Pre Grant Publications for class 37 subclass 263][List of Patents for class 37 subclass 263]263 Subclass 263 indent level is 1 Tool prepares wheel path for passage of wheel
[List of Pre Grant Publications for class 37 subclass 264][List of Patents for class 37 subclass 264]264 Subclass 264 indent level is 1 Scoop
 [List of Pre Grant Publications for class 37 subclass 265][List of Patents for class 37 subclass 265]265 Subclass 265 indent level is 2 Manually powered
[List of Pre Grant Publications for class 37 subclass 266][List of Patents for class 37 subclass 266]266 Subclass 266 indent level is 1 Scraper blade
 [List of Pre Grant Publications for class 37 subclass 267][List of Patents for class 37 subclass 267]267 Subclass 267 indent level is 2 Invertible
[List of Pre Grant Publications for class 37 subclass 268][List of Patents for class 37 subclass 268]268 Subclass 268 indent level is 2 Pulled (e.g., by horse or vehicle)
[List of Pre Grant Publications for class 37 subclass 270][List of Patents for class 37 subclass 270]270 Subclass 270 indent level is 2 Mounted on surface contacting support or guide
[List of Pre Grant Publications for class 37 subclass 272][List of Patents for class 37 subclass 272]272 Subclass 272 indent level is 2 V-shaped
[List of Pre Grant Publications for class 37 subclass 279][List of Patents for class 37 subclass 279]279 Subclass 279 indent level is 2 Diagonally oriented
 [List of Pre Grant Publications for class 37 subclass 285][List of Patents for class 37 subclass 285]285 Subclass 285 indent level is 1 Manually powered
[List of Pre Grant Publications for class 37 subclass 304][List of Patents for class 37 subclass 304]304 SELF-LOADING VEHICLE
 [List of Pre Grant Publications for class 37 subclass 305][List of Patents for class 37 subclass 305]305 Subclass 305 indent level is 1 Having endless digger or conveyor
 [List of Pre Grant Publications for class 37 subclass 306][List of Patents for class 37 subclass 306]306 Subclass 306 indent level is 1 Elevating wheel
[List of Pre Grant Publications for class 37 subclass 307][List of Patents for class 37 subclass 307]307 BENEATH A BODY OF WATER (E.G., DREDGER)
 [List of Pre Grant Publications for class 37 subclass 308][List of Patents for class 37 subclass 308]308 Subclass 308 indent level is 1 With signal, scale, indicator, or inspection means
[List of Pre Grant Publications for class 37 subclass 309][List of Patents for class 37 subclass 309]309 Subclass 309 indent level is 1 With means to control dredger operation (e.g., movement of dredged material) in response to sensed condition
 [List of Pre Grant Publications for class 37 subclass 310][List of Patents for class 37 subclass 310]310 Subclass 310 indent level is 2 Swell compensator
 [List of Pre Grant Publications for class 37 subclass 311][List of Patents for class 37 subclass 311]311 Subclass 311 indent level is 2 Suction relief valve
 [List of Pre Grant Publications for class 37 subclass 312][List of Patents for class 37 subclass 312]312 Subclass 312 indent level is 2 Control of swing or swing speed
 [List of Pre Grant Publications for class 37 subclass 313][List of Patents for class 37 subclass 313]313 Subclass 313 indent level is 1 By use of submarine or undersea vessel
[List of Pre Grant Publications for class 37 subclass 314][List of Patents for class 37 subclass 314]314 Subclass 314 indent level is 1 Adapted to excavate specific discrete material
[List of Pre Grant Publications for class 37 subclass 315][List of Patents for class 37 subclass 315]315 Subclass 315 indent level is 2 Shellfish
[List of Pre Grant Publications for class 37 subclass 317][List of Patents for class 37 subclass 317]317 Subclass 317 indent level is 1 Suction
[List of Pre Grant Publications for class 37 subclass 318][List of Patents for class 37 subclass 318]318 Subclass 318 indent level is 2 Having intake screen
 [List of Pre Grant Publications for class 37 subclass 320][List of Patents for class 37 subclass 320]320 Subclass 320 indent level is 2 With pumping chamber
[List of Pre Grant Publications for class 37 subclass 321][List of Patents for class 37 subclass 321]321 Subclass 321 indent level is 2 With means to introduce lift agent directly into suction pipe
 [List of Pre Grant Publications for class 37 subclass 323][List of Patents for class 37 subclass 323]323 Subclass 323 indent level is 2 With fluid jet digger adjacent suction inlet
[List of Pre Grant Publications for class 37 subclass 324][List of Patents for class 37 subclass 324]324 Subclass 324 indent level is 2 Including driven digger adjacent suction inlet (e.g., cutterhead dredger)
 [List of Pre Grant Publications for class 37 subclass 333][List of Patents for class 37 subclass 333]333 Subclass 333 indent level is 2 Draghead dredger (e.g., dustpan dredger)
 [List of Pre Grant Publications for class 37 subclass 334][List of Patents for class 37 subclass 334]334 Subclass 334 indent level is 2 With pipe suspension or support (e.g., ladder structure)
[List of Pre Grant Publications for class 37 subclass 335][List of Patents for class 37 subclass 335]335 Subclass 335 indent level is 2 Pipe or nozzle structure
 [List of Pre Grant Publications for class 37 subclass 337][List of Patents for class 37 subclass 337]337 Subclass 337 indent level is 1 Rotary digger (e.g., bucket wheel)
[List of Pre Grant Publications for class 37 subclass 338][List of Patents for class 37 subclass 338]338 Subclass 338 indent level is 1 Endless
 [List of Pre Grant Publications for class 37 subclass 339][List of Patents for class 37 subclass 339]339 Subclass 339 indent level is 2 Specific bucket structure
 [List of Pre Grant Publications for class 37 subclass 340][List of Patents for class 37 subclass 340]340 Subclass 340 indent level is 1 Grab
 [List of Pre Grant Publications for class 37 subclass 341][List of Patents for class 37 subclass 341]341 Subclass 341 indent level is 1 Scoop or bucket
[List of Pre Grant Publications for class 37 subclass 342][List of Patents for class 37 subclass 342]342 Subclass 342 indent level is 1 With means to scour or scrape (e.g., propeller means, digging teeth, plow)
 [List of Pre Grant Publications for class 37 subclass 343][List of Patents for class 37 subclass 343]343 Subclass 343 indent level is 2 Rotary digging element
 [List of Pre Grant Publications for class 37 subclass 344][List of Patents for class 37 subclass 344]344 Subclass 344 indent level is 2 Nozzle
[List of Pre Grant Publications for class 37 subclass 345][List of Patents for class 37 subclass 345]345 Subclass 345 indent level is 1 With vessel, propulsion, or anchor structure (e.g., bank spud, spud brace)
 [List of Pre Grant Publications for class 37 subclass 346][List of Patents for class 37 subclass 346]346 Subclass 346 indent level is 2 Bottom spud anchor
[List of Pre Grant Publications for class 37 subclass 347][List of Patents for class 37 subclass 347]347 DITCHER
 [List of Pre Grant Publications for class 37 subclass 348][List of Patents for class 37 subclass 348]348 Subclass 348 indent level is 1 Condition responsive
 [List of Pre Grant Publications for class 37 subclass 349][List of Patents for class 37 subclass 349]349 Subclass 349 indent level is 1 With crumber
[List of Pre Grant Publications for class 37 subclass 350][List of Patents for class 37 subclass 350]350 Subclass 350 indent level is 1 Having screw digger
 [List of Pre Grant Publications for class 37 subclass 351][List of Patents for class 37 subclass 351]351 Subclass 351 indent level is 2 With conveyor
[List of Pre Grant Publications for class 37 subclass 352][List of Patents for class 37 subclass 352]352 Subclass 352 indent level is 1 Having endless digger
[List of Pre Grant Publications for class 37 subclass 353][List of Patents for class 37 subclass 353]353 Subclass 353 indent level is 2 Endless bucket
[List of Pre Grant Publications for class 37 subclass 364][List of Patents for class 37 subclass 364]364 Subclass 364 indent level is 1 With side or auxiliary cutter
 [List of Pre Grant Publications for class 37 subclass 365][List of Patents for class 37 subclass 365]365 Subclass 365 indent level is 2 Rotary
[List of Pre Grant Publications for class 37 subclass 91][List of Patents for class 37 subclass 91]91 Subclass 91 indent level is 1 Wheel excavator
[List of Pre Grant Publications for class 37 subclass 92][List of Patents for class 37 subclass 92]92 Subclass 92 indent level is 2 Longitudinal axis
[List of Pre Grant Publications for class 37 subclass 94][List of Patents for class 37 subclass 94]94 Subclass 94 indent level is 2 Transverse axis
[List of Pre Grant Publications for class 37 subclass 366][List of Patents for class 37 subclass 366]366 Subclass 366 indent level is 1 Plow
[List of Pre Grant Publications for class 37 subclass 367][List of Patents for class 37 subclass 367]367 Subclass 367 indent level is 2 Slit ditcher
 [List of Pre Grant Publications for class 37 subclass 370][List of Patents for class 37 subclass 370]370 Subclass 370 indent level is 2 Mole plow
 [List of Pre Grant Publications for class 37 subclass 372][List of Patents for class 37 subclass 372]372 Subclass 372 indent level is 2 With plow supported wheel or supported on wheel frame
[List of Pre Grant Publications for class 37 subclass 373][List of Patents for class 37 subclass 373]373 Subclass 373 indent level is 2 With conveyor
 [List of Pre Grant Publications for class 37 subclass 378][List of Patents for class 37 subclass 378]378 Subclass 378 indent level is 2 With colter
[List of Pre Grant Publications for class 37 subclass 379][List of Patents for class 37 subclass 379]379 Subclass 379 indent level is 1 Shovel or scoop
 [List of Pre Grant Publications for class 37 subclass 380][List of Patents for class 37 subclass 380]380 Subclass 380 indent level is 2 Slit ditcher
[List of Pre Grant Publications for class 37 subclass 104][List of Patents for class 37 subclass 104]104 RAILWAY GRADERS
[List of Pre Grant Publications for class 37 subclass 105][List of Patents for class 37 subclass 105]105 Subclass 105 indent level is 1 Side former
[List of Pre Grant Publications for class 37 subclass 106][List of Patents for class 37 subclass 106]106 Subclass 106 indent level is 2 Scoop
[List of Pre Grant Publications for class 37 subclass 381][List of Patents for class 37 subclass 381]381 ROAD GRADER-TYPE
 [List of Pre Grant Publications for class 37 subclass 382][List of Patents for class 37 subclass 382]382 Subclass 382 indent level is 1 Condition responsive
[List of Pre Grant Publications for class 37 subclass 383][List of Patents for class 37 subclass 383]383 Subclass 383 indent level is 1 Including ground supported, grader guiding rail
[List of Pre Grant Publications for class 37 subclass 384][List of Patents for class 37 subclass 384]384 Subclass 384 indent level is 2 Adjustable digger
[List of Pre Grant Publications for class 37 subclass 386][List of Patents for class 37 subclass 386]386 Subclass 386 indent level is 1 Rotary digger
 [List of Pre Grant Publications for class 37 subclass 387][List of Patents for class 37 subclass 387]387 Subclass 387 indent level is 2 Adjustable
 [List of Pre Grant Publications for class 37 subclass 388][List of Patents for class 37 subclass 388]388 Subclass 388 indent level is 1 Transverse endless digger
[List of Pre Grant Publications for class 37 subclass 389][List of Patents for class 37 subclass 389]389 Subclass 389 indent level is 1 Plow with transverse endless conveyor
 [List of Pre Grant Publications for class 37 subclass 390][List of Patents for class 37 subclass 390]390 Subclass 390 indent level is 2 Disc plow
[List of Pre Grant Publications for class 37 subclass 391][List of Patents for class 37 subclass 391]391 Subclass 391 indent level is 1 Plow with transverse conveyor wheel
 [List of Pre Grant Publications for class 37 subclass 392][List of Patents for class 37 subclass 392]392 Subclass 392 indent level is 2 And endless conveyor
 [List of Pre Grant Publications for class 37 subclass 393][List of Patents for class 37 subclass 393]393 Subclass 393 indent level is 1 Plow with inclined axis conveyor wheel
[List of Pre Grant Publications for class 37 subclass 394][List of Patents for class 37 subclass 394]394 CABLE-OPERATED (E.G., DRAGLINE)
[List of Pre Grant Publications for class 37 subclass 395][List of Patents for class 37 subclass 395]395 Subclass 395 indent level is 1 Boom-type
 [List of Pre Grant Publications for class 37 subclass 396][List of Patents for class 37 subclass 396]396 Subclass 396 indent level is 2 Including means to control digging, hoisting, and dumping
 [List of Pre Grant Publications for class 37 subclass 397][List of Patents for class 37 subclass 397]397 Subclass 397 indent level is 2 Including mounting or support structure (e.g., boom support, sheave or pulley support)
[List of Pre Grant Publications for class 37 subclass 398][List of Patents for class 37 subclass 398]398 Subclass 398 indent level is 1 Scoop or bucket
 [List of Pre Grant Publications for class 37 subclass 399][List of Patents for class 37 subclass 399]399 Subclass 399 indent level is 2 Including support or mounting device (e.g., hitch, shackle, lifting or dumping trunion)
[List of Pre Grant Publications for class 37 subclass 400][List of Patents for class 37 subclass 400]400 Subclass 400 indent level is 1 Trolley-supported
 [List of Pre Grant Publications for class 37 subclass 401][List of Patents for class 37 subclass 401]401 Subclass 401 indent level is 2 Including cable or rope control means to facilitate loading, transporting, or dumping
[List of Pre Grant Publications for class 37 subclass 403][List of Patents for class 37 subclass 403]403 COMBINED OR CONVERTIBLE
 [List of Pre Grant Publications for class 37 subclass 468][List of Patents for class 37 subclass 468]468 Subclass 468 indent level is 1 Having quick-connect coupling
 [List of Pre Grant Publications for class 37 subclass 404][List of Patents for class 37 subclass 404]404 Subclass 404 indent level is 1 Combined with subsoiler
 [List of Pre Grant Publications for class 37 subclass 405][List of Patents for class 37 subclass 405]405 Subclass 405 indent level is 1 Combined with fork or rake
 [List of Pre Grant Publications for class 37 subclass 406][List of Patents for class 37 subclass 406]406 Subclass 406 indent level is 1 Combined with clamp, grapple, or shear
[List of Pre Grant Publications for class 37 subclass 407][List of Patents for class 37 subclass 407]407 Subclass 407 indent level is 1 With scraper
 [List of Pre Grant Publications for class 37 subclass 408][List of Patents for class 37 subclass 408]408 Subclass 408 indent level is 2 Integrally mounted to a tool body and independently usable by re- positioning the tool body
 [List of Pre Grant Publications for class 37 subclass 409][List of Patents for class 37 subclass 409]409 Subclass 409 indent level is 2 Multicomponent tool (e.g., scoop or bucket) convertible by relative movement of tool parts
 [List of Pre Grant Publications for class 37 subclass 410][List of Patents for class 37 subclass 410]410 Subclass 410 indent level is 2 Separate tools simultaneously mounted and independently usable
[List of Pre Grant Publications for class 37 subclass 411][List of Patents for class 37 subclass 411]411 SCOOP OR EXCAVATING AND TRANSPORTING CONTAINER
 [List of Pre Grant Publications for class 37 subclass 413][List of Patents for class 37 subclass 413]413 Subclass 413 indent level is 1 With alarm, indicator, signal, or inspection means
[List of Pre Grant Publications for class 37 subclass 412][List of Patents for class 37 subclass 412]412 Subclass 412 indent level is 1 Supported on vehicle between longitudinally spaced ground supports
[List of Pre Grant Publications for class 37 subclass 414][List of Patents for class 37 subclass 414]414 Subclass 414 indent level is 2 Condition responsive or programmable means controls the excavating operation
 [List of Pre Grant Publications for class 37 subclass 417][List of Patents for class 37 subclass 417]417 Subclass 417 indent level is 2 With specific suspension or means to steer or facilitate mounting of implement on vehicle
 [List of Pre Grant Publications for class 37 subclass 418][List of Patents for class 37 subclass 418]418 Subclass 418 indent level is 2 With tandem or plural scoops or compartments
[List of Pre Grant Publications for class 37 subclass 419][List of Patents for class 37 subclass 419]419 Subclass 419 indent level is 2 With means to aid loading or load distribution
[List of Pre Grant Publications for class 37 subclass 424][List of Patents for class 37 subclass 424]424 Subclass 424 indent level is 2 With coaction between apron or elevator and bowl
 [List of Pre Grant Publications for class 37 subclass 426][List of Patents for class 37 subclass 426]426 Subclass 426 indent level is 2 With coaction between apron or elevator and ejector
[List of Pre Grant Publications for class 37 subclass 427][List of Patents for class 37 subclass 427]427 Subclass 427 indent level is 2 With significant bowl structure or manipulation
[List of Pre Grant Publications for class 37 subclass 429][List of Patents for class 37 subclass 429]429 Subclass 429 indent level is 2 With significant apron structure or manipulation
[List of Pre Grant Publications for class 37 subclass 431][List of Patents for class 37 subclass 431]431 Subclass 431 indent level is 2 With particular unloading feature
[List of Pre Grant Publications for class 37 subclass 435][List of Patents for class 37 subclass 435]435 Subclass 435 indent level is 1 Mounted rearwardly of vehicle
 [List of Pre Grant Publications for class 37 subclass 467][List of Patents for class 37 subclass 467]467 Subclass 467 indent level is 2 Handled or hand operated
[List of Pre Grant Publications for class 37 subclass 436][List of Patents for class 37 subclass 436]436 Subclass 436 indent level is 2 Bowl operatively connected to wheel axle
 [List of Pre Grant Publications for class 37 subclass 441][List of Patents for class 37 subclass 441]441 Subclass 441 indent level is 2 Dumping runner or revolving-type
 [List of Pre Grant Publications for class 37 subclass 434][List of Patents for class 37 subclass 434]434 Subclass 434 indent level is 1 Manually operated (e.g., two-wheel barrow)
 [List of Pre Grant Publications for class 37 subclass 442][List of Patents for class 37 subclass 442]442 Subclass 442 indent level is 1 Pushed forwardly of vehicle for filling
 [List of Pre Grant Publications for class 37 subclass 443][List of Patents for class 37 subclass 443]443 Subclass 443 indent level is 1 Dipper-type (e.g., backhoe bucket)
[List of Pre Grant Publications for class 37 subclass 444][List of Patents for class 37 subclass 444]444 Subclass 444 indent level is 1 Scoop or bucket structure, per se
 [List of Pre Grant Publications for class 37 subclass 445][List of Patents for class 37 subclass 445]445 Subclass 445 indent level is 2 Including door structure or operator
[List of Pre Grant Publications for class 37 subclass 446][List of Patents for class 37 subclass 446]446 DIGGING EDGE
 [List of Pre Grant Publications for class 37 subclass 447][List of Patents for class 37 subclass 447]447 Subclass 447 indent level is 1 Oscillating or reciprocating
 [List of Pre Grant Publications for class 37 subclass 448][List of Patents for class 37 subclass 448]448 Subclass 448 indent level is 1 Corner guard (e.g., corner tooth)
 [List of Pre Grant Publications for class 37 subclass 449][List of Patents for class 37 subclass 449]449 Subclass 449 indent level is 1 Repositionable digging edge (e.g., reversible)
 [List of Pre Grant Publications for class 37 subclass 450][List of Patents for class 37 subclass 450]450 Subclass 450 indent level is 1 Removable digging edge having integral tooth adaptor
 [List of Pre Grant Publications for class 37 subclass 451][List of Patents for class 37 subclass 451]451 Subclass 451 indent level is 1 Distinct wear element mounted between teeth
[List of Pre Grant Publications for class 37 subclass 452][List of Patents for class 37 subclass 452]452 Subclass 452 indent level is 1 Tooth or adaptor
 [List of Pre Grant Publications for class 37 subclass 453][List of Patents for class 37 subclass 453]453 Subclass 453 indent level is 2 Having wear cap
 [List of Pre Grant Publications for class 37 subclass 454][List of Patents for class 37 subclass 454]454 Subclass 454 indent level is 2 Repositionable or replaceable tooth (e.g., reversible)
[List of Pre Grant Publications for class 37 subclass 455][List of Patents for class 37 subclass 455]455 Subclass 455 indent level is 2 Mounting or retaining means
 [List of Pre Grant Publications for class 37 subclass 460][List of Patents for class 37 subclass 460]460 Subclass 460 indent level is 1 Specific material (e.g., specialty steel, heat treatment of material, specific hardness test)
 [List of Pre Grant Publications for class 37 subclass 142.5][List of Patents for class 37 subclass 142.5]142.5 DITCH FILLER
 [List of Pre Grant Publications for class 37 subclass 182][List of Patents for class 37 subclass 182]182 ORANGE-PEEL BUCKETS
[List of Pre Grant Publications for class 37 subclass 461][List of Patents for class 37 subclass 461]461 CLAMSHELL BUCKET
[List of Pre Grant Publications for class 37 subclass 184][List of Patents for class 37 subclass 184]184 Subclass 184 indent level is 1 Common pivot
 [List of Pre Grant Publications for class 37 subclass 185][List of Patents for class 37 subclass 185]185 Subclass 185 indent level is 2 Crossed lever
 [List of Pre Grant Publications for class 37 subclass 186][List of Patents for class 37 subclass 186]186 Subclass 186 indent level is 1 Contiguous pivots
 [List of Pre Grant Publications for class 37 subclass 187][List of Patents for class 37 subclass 187]187 Subclass 187 indent level is 1 Spaced pivots
 [List of Pre Grant Publications for class 37 subclass 188][List of Patents for class 37 subclass 188]188 Subclass 188 indent level is 1 Link-connected
[List of Pre Grant Publications for class 37 subclass 189][List of Patents for class 37 subclass 189]189 ROTARY DIGGER
 [List of Pre Grant Publications for class 37 subclass 190][List of Patents for class 37 subclass 190]190 Subclass 190 indent level is 1 Endless conveyor
[List of Pre Grant Publications for class 37 subclass 462][List of Patents for class 37 subclass 462]462 ENDLESS DIGGER
[List of Pre Grant Publications for class 37 subclass 463][List of Patents for class 37 subclass 463]463 Subclass 463 indent level is 1 With endless conveyor
 [List of Pre Grant Publications for class 37 subclass 464][List of Patents for class 37 subclass 464]464 Subclass 464 indent level is 2 Having nonbucket-type digging means
 [List of Pre Grant Publications for class 37 subclass 465][List of Patents for class 37 subclass 465]465 Subclass 465 indent level is 1 Digging chain, bucket, blade, or tooth structure, per se
 [List of Pre Grant Publications for class 37 subclass 195][List of Patents for class 37 subclass 195]195 PROCESSES
 [List of Pre Grant Publications for class 37 subclass 466][List of Patents for class 37 subclass 466]466 MISCELLANEOUS
 
CROSS-REFERENCE ART COLLECTIONS
 
 [List of Pre Grant Publications for class 37 subclass 901][List of Patents for class 37 subclass 901]901 BUCKET CLEANERS
 [List of Pre Grant Publications for class 37 subclass 902][List of Patents for class 37 subclass 902]902 HYDRAULIC MOTORS
 [List of Pre Grant Publications for class 37 subclass 903][List of Patents for class 37 subclass 903]903 SCOOP OR SCRAPER ATTACHMENTS
 [List of Pre Grant Publications for class 37 subclass 904][List of Patents for class 37 subclass 904]904 VIBRATION MEANS FOR EXCAVATING TOOL
 [List of Pre Grant Publications for class 37 subclass 905][List of Patents for class 37 subclass 905]905 NONDREDGE EXCAVATING BY FLUID CONTACT OR EXPLOSION
 [List of Pre Grant Publications for class 37 subclass 906][List of Patents for class 37 subclass 906]906 VISUAL AIDS AND INDICATORS FOR EXCAVATING TOOL
 [List of Pre Grant Publications for class 37 subclass 907][List of Patents for class 37 subclass 907]907 AUTOMATIC LEVELING EXCAVATORS
 [List of Pre Grant Publications for class 37 subclass 908][List of Patents for class 37 subclass 908]908 CANAL CLEANERS
 
FOREIGN ART COLLECTIONS
 
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