US PATENT SUBCLASS 361 / 283.1
.~.~.~ Pressure

Current as of: June, 1999
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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

271  DF  ELECTROSTATIC CAPACITORS {4}
277  DF  .~ Variable {4}
280  DF  .~.~ Responsive to external condition {6}
283.1.~.~.~ Pressure {3}
283.2  DF  .~.~.~.~> By displacement of stylus or lever
283.3  DF  .~.~.~.~> By differential capacitor
283.4  DF  .~.~.~.~> By diaphragm

DEFINITION

Classification: 361/283.1

Pressure:

(under subclass 280) Subject matter in which the external condition is a force per unit area.

SEE OR SEARCH CLASS

73, Measuring and Testing,

715, 718, and 724 for capacitive fluid pressure gauge.

177, Weighing Scales,

210+, for capacitor gauges.

381, Electrical Audio Signal Processing Systems and Devices, 174, for capacitive microphone.