US PATENT SUBCLASS 137 / 578
.~.~ Float-supported outlet

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

561 R  DF  SYSTEMS {32}
577  DF  .~ Tank with movable or adjustable outlet or overflow pipe {3}
578.~.~ Float-supported outlet

DEFINITION

Classification: 137/578

(under subclass 577) Systems in which the intake end of the movable outlet is supported by a float.

SEE OR SEARCH THIS CLASS, SUBCLASS:

152, for siphons in which the intake end is supported by a float in the supply tank.

386+, especially subclasses 409+ for float controlled valves in liquid level responsive or maintaining systems.