US PATENT SUBCLASS 73 / 301
.~.~ 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}
299  DF  .~ Hydrostatic pressure type {3}
301.~.~ With electrically controlled indicator


DEFINITION

Classification: 73/301

(under subclass 299) Gauges having at least one indicator electrically controlled by means responsive to the

hydrostatic pressure.

SEE OR SEARCH CLASS

340, Communications: Electrical,

870.01+, for electric telemetering systems.