US PATENT SUBCLASS 172 / 342
.~.~.~ Cross connected drag bars

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

329  DF  GUIDED BY WALKING ATTENDANT; SUPPORTED, PROPELLED, OR HELD IN POSITION BY ATTENDANT {7}
332  DF  .~ Tool manipulated with respect to mounting frame {5}
333  DF  .~.~ Arched wheel frame (i.e., straddle row, etc.) {9}
342.~.~.~ Cross connected drag bars

DEFINITION

Classification: 172/342

(under subclass 333) Apparatus in which the earth working elements of the pair or the bars mounting said elements have a laterally extending member connecting same in addition to the frame member on which they are mounted.