US PATENT SUBCLASS 4 / 651
.~.~ And overflow

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

619  DF  WASH RECEPTACLES {15}
650  DF  .~ With drain {3}
651.~.~ And overflow

DEFINITION

Classification: 4/651

And overflow:

(under subclass 650) Subject matter including means to prevent the water within the vessel from rising beyond a certain level in the vessel.

(1) Note. Included here is an overflow combined with more than nominal sink or bath structure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

508+, for pools having a water inlet or outlet and water-level control.

671+, for a specifically detailed supply outlet and overflow structure combined with nominal sink or bath structure.

679+, for a specifically detailed overflow structure combined with a nominal sink or bath structure.

688+, for a specifically detailed drain valve having an aperture that cooperates with the integral overflow of a nominal sink or bath structure.

SEE OR SEARCH CLASS 137, Fluid Handling,

386+, for liquid level responsive or maintaining systems.