US PATENT SUBCLASS 37 / 212
.~.~.~.~ And V-shaped scraper blade

Current as of: June, 1999
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37 /   HD   EXCAVATING

196  DF  SNOW OR ICE REMOVING OR GROOMING BY PORTABLE DEVICE {16}
198  DF  .~ Railway clearer {7}
209  DF  .~.~ Having rotary excavating tool {2}
210  DF  .~.~.~ Plural rotary tools {2}
212.~.~.~.~ And V-shaped scraper blade

DEFINITION

Classification: 37/212

And V-shaped scraper blade:

(under subclass 210) Apparatus including a generally vertically disposed moldboard having two working faces angled relative to one another about a generally vertical axis, diverging from an apex to ends on opposite sides of the apparatus.

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