US PATENT SUBCLASS 137 / 147
.~.~ Pump or liquid displacement device for flow passage

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

123  DF  SIPHONS {8}
142  DF  .~ With flow starting, stopping or maintaining means {7}
147.~.~ Pump or liquid displacement device for flow passage {2}
148  DF  .~.~.~> Piston {1}
150  DF  .~.~.~> Collapsible bulb

DEFINITION

Classification: 137/147

(under subclass 142) Apparatus in which the means comprises a pump mounted in or on the siphon.

SEE OR SEARCH THIS CLASS, SUBCLASS:

565+, for distribution systems with pumps, and see the search notes to subclass 565.

SEE OR SEARCH CLASS

4, Baths, Closets, Sinks, and Spittoons,

42+, for siphon starters for water closet tanks.

222, Dispensing, 204, for siphons with pump or other discharge assistant type starter.