US PATENT SUBCLASS 37 / 280
.~.~.~ Including side gate discharge preventer

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}
279  DF  .~.~ Diagonally oriented {5}
280.~.~.~ Including side gate discharge preventer

DEFINITION

Classification: 37/280

Including side gate discharge preventer:

(under subclass 279) Apparatus including an element which can be moved into a position adjacent and substantially perpendicular to the working face to selectively act as a barrier preventing discharge of excavated snow from the moldboard.