US PATENT SUBCLASS 172 / 772.5
.~.~ Portion is cutting edge

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

681  DF  TOOL, STANDARD OR CONNECTION {32}
772  DF  .~ Removable tool portion (e.g., replaceable cutting or wearing element for tool) {1}
772.5.~.~ Portion is cutting edge

DEFINITION

Classification: 172/772.5

Portion is cutting edge:

(under subclass 772) Apparatus including an elongated portion at the bottom (i.e., the ground-engaging part) of the tool which is removable from the rest of the tool.

SEE OR SEARCH THIS CLASS, SUBCLASS:

701.3, for a removable cutting edge on a transversely elongated blade.