US PATENT SUBCLASS 4 / 379
.~.~.~ With delay of valve closing

Current as of: June, 1999
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4 /   HD   BATHS, CLOSETS, SINKS, AND SPITTOONS

300  DF  FLUSH CLOSET {22}
353  DF  .~ Tank only {9}
378  DF  .~.~ With outlet valve {6}
379.~.~.~ With delay of valve closing {6}
380  DF  .~.~.~.~> By pressure or suction control of valve
381  DF  .~.~.~.~> By float releasable latch {3}
385  DF  .~.~.~.~> By varying weight releasable latch
386  DF  .~.~.~.~> By shifting weight
387  DF  .~.~.~.~> By flow-responsive element in valve outlet
388  DF  .~.~.~.~> By retarding mechanism, e.g., dashpot {1}

DEFINITION

Classification: 4/379

With delay of valve closing:

(under subclass 378) Subject matter including means to maintain the valve in an open condition until some predetermined condition occurs.

SEE OR SEARCH THIS CLASS, SUBCLASS:

355, for a float released outlet valve in a pressure tank.