US PATENT SUBCLASS 200 / 83 W
.~.~ Overpressure protection means


Current as of: June, 1999
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200 /   HD   ELECTRICITY: CIRCUIT MAKERS AND BREAKERS

81 R  DF  FLUID PRESSURE {8}
83 R  DF  .~ Diaphragm {17}
83 W.~.~ Overpressure protection means

Unofficial Alpha Subclasses: R WM A B C D F J L N P Q S SA T V Y W Z

DEFINITION

Classification: 200/83

(under subclass 81) Devices in which the fluid acts on a flexible sheet member confined in a housing.

SEE OR SEARCH CLASS

92, Expansible Chamber Devices,

96+, for a diaphragm type expansible chamber device.