US PATENT SUBCLASS 37 / 281
.~.~.~ And auxiliary wing or extension

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
281.~.~.~ And auxiliary wing or extension

DEFINITION

Classification: 37/281

And auxiliary wing or extension:

(under subclass 279) Apparatus including an additional moldboard-like element.

SEE OR SEARCH THIS CLASS, SUBCLASS:

104, for an apparatus for forming a railway slope.

SEE OR SEARCH CLASS

172, Earth Working,

782, for a road grader with a laterally off-set inclined shoulder forming blade; subclasses 786+ for a road grader having plural blades; and subclass 815 for a bulldozer having plural blades.