US PATENT SUBCLASS 137 / 131
.~.~ With float

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

123  DF  SIPHONS {8}
130  DF  .~ With discharge-controlling receiver {1}
131.~.~ With float

DEFINITION

Classification: 137/131

(under subclass 130) Apparatus in which a float responsive to a condition in the receiver controls discharge of the siphon.

SEE OR SEARCH THIS CLASS, SUBCLASS:

135+, for siphon discharge controlled by float means responsive to liquid accumulation in the system.

409+, for float operated valves of general utility, and see the search notes to subclass 409.