US PATENT SUBCLASS 137 / 247.19
.~.~.~.~ Pivoted valve

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

247  DF  WITH LIQUID VALVES OR LIQUID TRAP SEALS {3}
247.11  DF  .~ Liquid seal in liquid flow line; flow liquid forms seal {8}
247.13  DF  .~.~ Valves {1}
247.15  DF  .~.~.~ Line condition change responsive {3}
247.19.~.~.~.~ Pivoted valve

DEFINITION

Classification: 137/247.19

(under subclass 247.15) Apparatus in which the valve is pivoted.

SEE OR SEARCH THIS CLASS, SUBCLASS:

517+, for a biased opened direct response valve.

527+, for a pivoted check valve.