US PATENT SUBCLASS 73 / 453
.~.~ Electrical indication

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

32 R  DF  SPECIFIC GRAVITY OR DENSITY OF LIQUID OR SOLID {7}
451  DF  .~ Float operated indicator {3}
453.~.~ Electrical indication

DEFINITION

Classification: 73/453

(under subclass 451) Devices having electrical means associated with the float for indicating the specific gravity.

SEE OR SEARCH CLASS

338, Electrical Resistors,

33, for electrical resistors with a float actuator.