US PATENT SUBCLASS 73 / 279
.~.~ Diaphragm


Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

861  DF  VOLUME OR RATE OF FLOW {23}
272 R  DF  .~ Element {7}
279.~.~ Diaphragm {1}
280  DF  .~.~.~> With oiling structure


DEFINITION

Classification: 73/279

(under subclass 272) Elements comprising diaphragm or bellows structure, per se, limited to use in meters.

SEE OR SEARCH CLASS

92, Expansible Chamber Devices,

96+, for a diaphragm type expansible chamber device.