US PATENT SUBCLASS 172 / 701.1
.~ Tool is transversely elongated blade (e.g., bulldozer)


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

681  DF  TOOL, STANDARD OR CONNECTION {32}
701.1.~ Tool is transversely elongated blade (e.g., bulldozer) {2}
701.2  DF  .~.~> Having removable corner bit
701.3  DF  .~.~> Having removable cutting edge


DEFINITION

Classification: 172/701.1

Tool is transversely elongated blade (e.g., bulldozer):

(under subclass 681) Apparatus wherein the earth working element has a vertical, generally planar earth working portion extended in its dimension transverse to the direction of travel of a vehicle propelling the element, the magnitude of the extension being at least on the order of the width of the vehicle.

SEE OR SEARCH THIS CLASS, SUBCLASS:

781+, for the combination of a blade and a mounting for positioning the blade between the front and rear ground supports of a vehicle.

811+, for the combination of a blade and a mounting for positioning the blade ahead of a vehicle.