US PATENT SUBCLASS 172 / 701.3
.~.~ Having removable cutting edge

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

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

DEFINITION

Classification: 172/701.3

Having removable cutting edge:

(under subclass 701.1) Apparatus which includes a separable element adapted to be attached to the lower extended edge of the blade.

SEE OR SEARCH CLASS

37, Excavating,

450, for a removable cutting edge on an excavator of the type found in Class 37 (see this class (172), class definition, "SEARCH CLASS" 37 for a brief description of the lines).