US PATENT SUBCLASS 172 / 768
.~.~ Draw cut type

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

681  DF  TOOL, STANDARD OR CONNECTION {32}
765  DF  .~ Specific tool shape {5}
768.~.~ Draw cut type

DEFINITION

Classification: 172/768

(under subclass 765) Apparatus in which the earth-breaking portion of the tool has a rearward and downward inclination so as to break the earth by being drawn therethrough.

SEE OR SEARCH THIS CLASS, SUBCLASS:

723, for winged symmetrical implements in which the earth-breaking portion is of the draw-cut type.