US PATENT SUBCLASS 417 / 298
.~.~ Inlet valve

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}
298.~.~ Inlet valve

DEFINITION

Classification: 417/298

(under subclass 297) Apparatus in which the cyclically operable pump valve is the inlet or intake valve of the pump.