US PATENT SUBCLASS 417 / 239
.~ For reverse drive or flow


Current as of: June, 1999
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417 /   HD   PUMPS

238  DF  CHANGEABLE BY ASSEMBLY OR DISASSEMBLY {1}
239.~ For reverse drive or flow


DEFINITION

Classification: 417/239

(under subclass 238) Apparatus in which the rearrangement of parts or addition or omission of a part is accomplished in order to permit or accommodate the operation of the pump in a reverse direction of rotation or a reverse direction of flow of pump fluid through the pump.