US PATENT SUBCLASS 137 / 423
.~.~ Plural floats

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

386  DF  LIQUID LEVEL RESPONSIVE OR MAINTAINING SYSTEMS {11}
409  DF  .~ By float controlled valve {11}
423.~.~ Plural floats

DEFINITION

Classification: 137/423

(under subclass 409) Apparatus which includes a plurality of floats.

SEE OR SEARCH THIS CLASS, SUBCLASS:

391, for apparatus including plural floats which control the inlet to and outlet from a tank.

411, for a single float controlling plural valves.

417, for apparatus including a pilot or auxiliary float for releasing a float controlling the flow control means to provide a quick acting mechanism.

SEE OR SEARCH CLASS

222, Dispensing,

68, for plural float actuated valves in dispensers.