US PATENT SUBCLASS 4 / 353
.~ Tank only

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

300  DF  FLUSH CLOSET {22}
353.~ Tank only {9}
354  DF  .~.~> Pressure tank {6}
363  DF  .~.~> With plural compartments {2}
366  DF  .~.~> With simultaneous common actuating means for supply and outlet valves {1}
368  DF  .~.~> With outlet siphon {6}
378  DF  .~.~> With outlet valve {6}
415  DF  .~.~> Water saver
416  DF  .~.~> With lining
417  DF  .~.~> With connector or seal {1}
419  DF  .~.~> With support

DEFINITION

Classification: 4/353

Tank only:

(under subclass 300) Subject matter wherein the fluid handling means includes structure for holding a flushing fluid.

SEE OR SEARCH CLASS

137, Fluid Handling,

386+, for float controlled supply valves for closet tanks, and subclasses 624.11+ for timer controlled flush valves.

251, Valves and Valve Actuation,

12+, for flush closet valves.