US PATENT SUBCLASS 73 / 720
.~.~.~.~.~ Strain gauge

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  DF  .~.~.~ With electrical readout {3}
719  DF  .~.~.~.~ Resistive {1}
720.~.~.~.~.~ Strain gauge {1}
721  DF  .~.~.~.~.~.~> Piezoresistive

DEFINITION

Classification: 73/720

Strain gauge:

(under subclass 719) Subject matter wherein the stress and/or strain in one or more elements varies the resistance.

SEE OR SEARCH THIS CLASS, SUBCLASS:

726, for diaphragm-type pressure gauges with strain gauges.

SEE OR SEARCH CLASS

338, Electrical Resistors,

4, for strain gauge type fluid or gas pressure actuated.