US PATENT SUBCLASS 338 / 42
.~.~ Diaphragm


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}
42.~.~ Diaphragm


DEFINITION

Classification: 338/42

(under subclass 36) Subject matter wherein the resistor actuator is a diaphragm, or a flexible or deformable wall or casing structure.

SEE OR SEARCH CLASS

73, Measuring and Testing,

262+, for volume or rate of flow meters with a diaphragm or

collapsible wall; subclasses 278 and 279+ for diaphragm mountings and diaphragms for such meters; and subclasses 719 and 725 for fluid pressure gauges including a diaphragm.