US PATENT SUBCLASS 172 / 241
.~ Apparatus inverted to engage ground support with ground

Current as of: June, 1999
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172 /   HD   EARTH WORKING

240  DF  WITH GROUND SUPPORT ENGAGEABLE WITH GROUND FOR TRANSPORT ONLY {4}
241.~ Apparatus inverted to engage ground support with ground

DEFINITION

Classification: 172/241

(under subclass 240) Apparatus, in which the wheel or wheel substitute is so positioned with relation to the earth working element that the entire apparatus must be turned upside down to bring the wheel or wheel substitute into ground-engaging position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

34, for apparatus which is adapted for use upside down to provide an earth working function in either position.