US PATENT SUBCLASS 172 / 338
.~.~.~ Tongueless, animal draft

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}
338.~.~.~ Tongueless, animal draft {1}
339  DF  .~.~.~.~> With balancing means

DEFINITION

Classification: 172/338

(under subclass 333) Apparatus adapted to be propelled by animals and characterized by the absence of a draft tongue.