US PATENT SUBCLASS 417 / 390
.~.~.~ Fluid pump

Current as of: June, 1999
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417 /   HD   PUMPS

321  DF  MOTOR DRIVEN {32}
375  DF  .~ Fluid motor {9}
379  DF  .~.~ With motive fluid generator {5}
390.~.~.~ Fluid pump

DEFINITION

Classification: 417/390

(under subclass 379) Apparatus in which the motive fluid generating apparatus comprises a fluid pump (e.g., centrifugal, expansible chamber, axial flow, etc.).