US PATENT SUBCLASS 172 / 832
.~.~ With blade-carried ground support

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

810  DF  MOUNTING FOR PUSHED TOOL AT END OF MOTOR VEHICLE {3}
811  DF  .~ Transversely mounted blade (e.g., bulldozer, etc.) {11}
832.~.~ With blade-carried ground support

DEFINITION

Classification: 172/832

With blade-carried ground support:

(under subclass 811) Apparatus in which the earth working blade mounts a skid, wheel, or wheel substitute which is separate and distinct from the motor vehicle ground-support means.