US PATENT SUBCLASS 37 / 218
.~.~.~ Diagonal

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}
214  DF  .~.~ Having scraper blade {3}
218.~.~.~ Diagonal

DEFINITION

Classification: 37/218

Diagonal:

(under subclass 214) Apparatus wherein the moldboard is obliquely angled about a generally vertical axis relative to its intended direction of motion.