US PATENT SUBCLASS 451 / 19
.~.~.~.~ Hydraulically driven

Current as of: June, 1999
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451 /   HD   ABRADING

1  DF  PRECISION DEVICE OR PROCESS - OR WITH CONDITION RESPONSIVE CONTROL {7}
11  DF  .~ With feeding of tool or work holder {6}
14  DF  .~.~ Screw actuated {2}
16  DF  .~.~.~ Ratchet and pawl drive {4}
19.~.~.~.~ Hydraulically driven

DEFINITION

Classification: 451/19

Hydraulically driven:

(under subclass 16) Subject matter actuated by fluid pressure means.