US PATENT SUBCLASS 73 / 750
.~.~.~ Resistive

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

700  DF  FLUID PRESSURE GAUGE {20}
747  DF  .~ U-tube liquid column {2}
749  DF  .~.~ With electrical readout {1}
750.~.~.~ Resistive

DEFINITION

Classification: 73/750

Resistive:

(under subclass 749) Subject matter wherein the displacement of the liquid effects a variation in resistance to modify the electric current.

SEE OR SEARCH THIS CLASS, SUBCLASS:

719, 725, 734, and 746, for other gauges involving resistance.

SEE OR SEARCH CLASS

338, Electrical Resistors,

36+, for fluid or gas pressure actuated.