US PATENT SUBCLASS 417 / 205
.~ Series

Current as of: June, 1999
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417 /   HD   PUMPS

199.1  DF  DIVERSE PUMPS {5}
205.~ Series {1}
206  DF  .~.~> Rotary expansible chamber type precedes reciprocating

DEFINITION

Classification: 417/205

(under subclass 199.1) Apparatus in which the diverse pumps are arranged such that the output of one is directed to the inlet of the second so as to be serially acted upon thereby.

SEE OR SEARCH THIS CLASS, SUBCLASS:

203, for a centrifugal pump delivering fluid to a diverse pump in series therewith.