US PATENT SUBCLASS 4 / 334
.~.~ Pressure tank

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}
334.~.~ Pressure tank {1}
335  DF  .~.~.~> With seat-actuated valve {2}

DEFINITION

Classification: 4/334

Pressure tank:

(under subclass 333) Subject matter wherein the tank is hermetically sealed and the air is compressed as the liquid fills the tank.

SEE OR SEARCH THIS CLASS, SUBCLASS:

354+, for a pressure tank where the liquid in the tank is at the same pressure as the liquid supply pressure.