US PATENT SUBCLASS 417 / 297.5
.~.~ Liquid level responsive

Current as of: June, 1999
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417 /   HD   PUMPS

279  DF  WITH CONDITION RESPONSIVE PUMPED FLUID CONTROL {22}
297  DF  .~ Expansible chamber pump distributor operation modified {2}
297.5.~.~ Liquid level responsive

DEFINITION

Classification: 417/297.5

(under subclass 297) Apparatus in which the means for modifying the normal operation of said valve acts in response to the level of pump fluid.