US PATENT SUBCLASS 340 / 940
.~ With pneumatic

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

933  DF  VEHICLE DETECTORS {10}
940.~ With pneumatic

DEFINITION

Classification: 340/940

With pneumatic:

(under subclass 933) Subject matter wherein the vehicle detector includes a means operated by the pressure or exhaustion of air.

SEE OR SEARCH CLASS

116, Signals and Indicators, for mechanical indicators.

200, Electricity: Circuit Makers and Breakers,

81+, for fluid pressure switches, per se, and subclasses 85+ for weight switches, per se.