US PATENT SUBCLASS 37 / 272
.~.~ V-shaped

Current as of: June, 1999
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37 /   HD   EXCAVATING

196  DF  SNOW OR ICE REMOVING OR GROOMING BY PORTABLE DEVICE {16}
266  DF  .~ Scraper blade {5}
272.~.~ V-shaped {5}
273  DF  .~.~.~> Adjustable or collapsible apex
274  DF  .~.~.~> And auxiliary wing or extension {1}
276  DF  .~.~.~> Diverging forwardly
277  DF  .~.~.~> Supported on inclined plane
278  DF  .~.~.~> Manually powered

DEFINITION

Classification: 37/272

V-shaped:

(under subclass 266) Apparatus wherein the moldboard includes a pair of working faces angled relative to one another about a generally vertical axis and diverging from an apex to ends on opposite sides of the apparatus.

(1) Note. The working faces have a V-configuration in plan view.

SEE OR SEARCH CLASS

172, Earth Working,

732, and 733 for a triangular or V-shaped blade for earthworking.