US PATENT SUBCLASS 73 / 717
.~.~.~ With electrical readout

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

700  DF  FLUID PRESSURE GAUGE {20}
715  DF  .~ Diaphragm {6}
716  DF  .~.~ Multiple and/or differential {1}
717.~.~.~ With electrical readout {3}
718  DF  .~.~.~.~> Capacitive
719  DF  .~.~.~.~> Resistive {1}
722  DF  .~.~.~.~> Electromagnetic

DEFINITION

Classification: 73/717

With electrical readout:

(under subclass 716) Subject matter wherein the multiple unit devices and single devices generate or modify an electric current and the value of such current is indicative of the pressure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

336.5, for current generating hygrometers or hygrostats.

723, for other devices with electrical readouts.

733, 745 and 749, for Bourdon, piston or U-tube pressure gauges with electrical readout.

753, for electric pressure gauges.

SEE OR SEARCH CLASS

310, Electrical Generator or Motor Structure, 311+, for piezoelectric devices, especially subclass 338.

374, Thermal Measuring and Testing,

188, for a thermometer with a mechanical sensor and an electrical indicator.