US PATENT SUBCLASS 172 / 679
.~ Adjustable

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

677  DF  WITH DRAFT DETAIL {2}
679.~ Adjustable {1}
680  DF  .~.~> Vertical

DEFINITION

Classification: 172/679

(under subclass 677) Apparatus wherein the means for hitching the implement to the propelling means is adjustable with respect to either the implement or the propelling means.

(1) Note. For the meaning of "adjustable" see the class definition.