US PATENT SUBCLASS 4 / 339
.~.~.~ And drain means

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

300  DF  FLUSH CLOSET {22}
333  DF  .~ Normally empty tank {2}
338  DF  .~.~ With seat-actuated valve {1}
339.~.~.~ And drain means

DEFINITION

Classification: 4/339

And drain means:

(under subclass 338) Subject matter having means to draw the liquid from the tank supply line and/or valves after a flush.

SEE OR SEARCH THIS CLASS, SUBCLASS:

337, for drain means and a pressure tank.

SEE OR SEARCH CLASS

137, Fluid Handling,

302, for freeze protection means.