US PATENT SUBCLASS 172 / 360
.~.~ With wheel substitute (e.g., runner, etc.)

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}
360.~.~ With wheel substitute (e.g., runner, etc.)

DEFINITION

Classification: 172/360

(under subclass 351) Apparatus in which the ground support means comprises an element other than a wheel such as, for example, a runner.

SEE OR SEARCH THIS CLASS, SUBCLASS:

387, for other earth working apparatus having a wheel substitute spaced from the earth working elements.

764, for earth working elements having closely associated runners and see the Search Notes thereto for related art.