US PATENT SUBCLASS 37 / 381
ROAD GRADER-TYPE

Current as of: June, 1999
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37 /   HD   EXCAVATING

381ROAD GRADER-TYPE {7}
382  DF  .~> Condition responsive
383  DF  .~> Including ground supported, grader guiding rail {1}
386  DF  .~> Rotary digger {1}
388  DF  .~> Transverse endless digger
389  DF  .~> Plow with transverse endless conveyor {1}
391  DF  .~> Plow with transverse conveyor wheel {1}
393  DF  .~> Plow with inclined axis conveyor wheel

DEFINITION

Classification: 37/381

ROAD GRADER-TYPE:

(under the class definition) Apparatus including means to penetrate the ground for working on and forming the ground for the passage of vehicles, persons, or animals. [figure] [caption]A - Vehicle; B - Digger assembly; C - Roadbed; D - Windrow

SEE OR SEARCH THIS CLASS, SUBCLASS:

309+, for a self-loading vehicle.

347+, for a ditcher.

411+, for a scoop.

SEE OR SEARCH CLASS

172, Earth Working, 4.5, 63, 197, 199, 684.5, 779, 780, 781, and 811+ for a drag, scraper, or other leveling tool.

404, Road Structure, Process and Apparatus,

83, particularly for road building means combined with earth digging, handling, or moving means.