US PATENT SUBCLASS 338 / 40
.~.~ Bourdon tube

Current as of: June, 1999
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338 /   HD   ELECTRICAL RESISTORS

13  DF  RESISTANCE VALUE RESPONSIVE TO A CONDITION {10}
36  DF  .~ Fluid- or gas pressure-actuated {6}
40.~.~ Bourdon tube

DEFINITION

Classification: 338/40

(under subclass 36) Subject matter wherein the resistor actuator is a Bourdon tube.

SEE OR SEARCH CLASS

73, Measuring and Testing,

734, for fluid pressure gauges having a Bourdon tube for their pressure responsive element.

200, Electricity: Circuit Makers and Breakers,

81.8, for Bourdon tube operated switches.