US PATENT SUBCLASS 184 / 72
.~.~.~.~ Fluid pressure-operated

Current as of: June, 1999
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184 /   HD   LUBRICATION

14  DF  LUBRICATORS {18}
65  DF  .~ Gravity feed {9}
66  DF  .~.~ Automatic cutoff {7}
*  DD  .~.~.~ Rotatable valve {3}
72.~.~.~.~ Fluid pressure-operated

DEFINITION

Classification: 184/72

The valve is rotated by fluid-pressure, substantially in the manner outlined in the definitions of the subclasses under Vertically-reciprocating valve.

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29, 33, and 35.