US PATENT SUBCLASS 172 / 47
.~ With specific relationship of mast-type hitch (i.e., three-point hitch) to implement


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

35  DF  WITH DRIVE MEANS FOR TOOL OR CLEANER {37}
47.~ With specific relationship of mast-type hitch (i.e., three-point hitch) to implement


DEFINITION

Classification: 172/47

With specific relationship of mast type hitch (i.e., three point hitch) to implement:

(under subclass 35) Apparatus in which the driven earth-working element is part of an implement associated with a three point hitch (mast-type hitch) wherein significance is attributed to the cooperation of the implement with the hitch, or the implement includes a mounting for an additional three point hitch at the rear thereof for connection to another implement.

(1) Note. See this class, subclass 439, the definition and notes thereunder for a definition of a mast-type hitch.