US PATENT SUBCLASS 172 / 356
.~.~.~ Plural longitudinally spaced wheels


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}
351  DF  .~ Guided or propelled by walking attendant and with ground support or draft means {11}
354  DF  .~.~ With wheel {5}
356.~.~.~ Plural longitudinally spaced wheels


DEFINITION

Classification: 172/356

(under subclass 354) Apparatus in which the implement is provided with two wheels spaced in the direction of travel.