US PATENT SUBCLASS 172 / 676
.~ Tool follows wheel path

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

669  DF  WITH WHEEL; OR SUPPORTED ON WHEEL FRAME OR BROADLY CLAIMED IMPLEMENT {6}
676.~ Tool follows wheel path

DEFINITION

Classification: 172/676

(under subclass 669) Apparatus wherein an earth working element follows in the wheel path, and is adapted to work the ground disturbed or compacted by the wheel.

SEE OR SEARCH THIS CLASS, SUBCLASS:

344, for arched wheel-frame implements provided with brackets for holding the tools in nonuse position.