US PATENT SUBCLASS 200 / 83 R
.~ Diaphragm

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

81 R  DF  FLUID PRESSURE {8}
83 R.~ Diaphragm {17}
83 WM  DF  .~.~> Washing machine
83 A  DF  .~.~> Differential pressure
83 B  DF  .~.~> Special diaphragm
83 C  DF  .~.~> Aneroid bellows
83 D  DF  .~.~> Differential and plural bellows
83 F  DF  .~.~> Liquid contact
83 J  DF  .~.~> Piston and diaphragm
83 L  DF  .~.~> Magnetically operated
83 N  DF  .~.~> Contacts on diaphragm
83 P  DF  .~.~> Snap action
83 Q  DF  .~.~> Combined switch and valve actuator
83 S  DF  .~.~> Adjustment means {1}
83 T  DF  .~.~> Time delay
83 V  DF  .~.~> Miniature
83 Y  DF  .~.~> Multiple diaphragms or multi-ply diaphragms
83 W  DF  .~.~> Overpressure protection means
83 Z  DF  .~.~> Manual actuating 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.