US PATENT SUBCLASS 73 / 313
.~.~ With electrically controlled indicator

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

290 R  DF  LIQUID LEVEL OR DEPTH GAUGE {13}
305  DF  .~ Float {12}
313.~.~ With electrically controlled indicator

DEFINITION

Classification: 73/313

(under subclass 305) Gauges having an indicator which is operated by the float through the medium of electrical means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

301, and 308, for other liquid level or depth gauges with electrical signals or indicators.

SEE OR SEARCH CLASS

200, Electricity: Circuit Makers and Breakers,

84, for float operated switches, per se.

338, Electrical Resistors, 33, for a resistor having a float actuator responsive to a change in the level of a liquid.

340, Communications: Electrical,

870.01+, for electric telemetric systems, per se.