US PATENT SUBCLASS 137 / 101.27
.~.~.~ Float controlled weir or valve

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

87.01  DF  SELF-PROPORTIONING OR CORRELATING SYSTEMS {8}
98  DF  .~ Self-proportioning flow systems {5}
101.25  DF  .~.~ Liquid level response {2}
101.27.~.~.~ Float controlled weir or valve

DEFINITION

Classification: 137/101.27

(under subclass 101.25) Subject matter wherein a weir or valve is responsive to the level sensing means.