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

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.