US PATENT SUBCLASS 4 / 331
.~.~ Float-controlled valve

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

300  DF  FLUSH CLOSET {22}
329  DF  .~ Low profile tank and bowl {3}
331.~.~ Float-controlled valve

DEFINITION

Classification: 4/331

Float controlled valve:

(under subclass 329) Subject matter having means in the tank to control a valve by a buoyant device.

SEE OR SEARCH CLASS

137, Fluid Handling,

386+, for liquid level responsive valves.