US PATENT SUBCLASS 73 / 753
.~ Electrical


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

700  DF  FLUID PRESSURE GAUGE {20}
753.~ Electrical {2}
754  DF  .~.~> Semiconductor
755  DF  .~.~> Pirani type


DEFINITION

Classification: 73/753

Electrical:

(under subclass 700) Subject matter wherein an electric current is generated or modified by direct application of the pressure to be measured to an electric circuit element and the value of such current is indicative of the pressure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

335.02, for current generating hygrometers or hygrostats.

SEE OR SEARCH CLASS

374, Thermal Measuring and Testing,

163+, for thermometers having electrical or magnetic sensors.