US PATENT SUBCLASS 172 / 366
.~.~.~ Vertically

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}
365  DF  .~.~ Tool and handle relatively adjustable {1}
366.~.~.~ Vertically

DEFINITION

Classification: 172/366

(under subclass 365) Apparatus in which the elevation of the handle with respect to the earth working element is adjustable.

(1) Note. For the meaning of "adjustable" see the class definition.

SEE OR SEARCH THIS CLASS, SUBCLASS:

359, for an earth working element having a handle and wheel in which the handle and earth working element are selectively vertically adjustable relative to one another.