US PATENT SUBCLASS 172 / 831
.~.~.~.~ Plural servomotors

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}
828  DF  .~.~ With power means for raising and lowering blade {2}
830  DF  .~.~.~ Power means is fluid servomotor {1}
831.~.~.~.~ Plural servomotors

DEFINITION

Classification: 172/831

Plural servomotors:

(under subclass 830) Apparatus in which there are a plurality of fluid-pressure devices.