US PATENT SUBCLASS 200 / 81.8
.~ Bourdon tube type

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

81 R  DF  FLUID PRESSURE {8}
81.8.~ Bourdon tube type

DEFINITION

Classification: 200/81.8

(under subclass 81) Devices, of the type in which the operating means includes a flexible, arc-shaped tube, the curvature of which changes in response to changes in the fluid-pressure therein.

SEE OR SEARCH CLASS

73, Measuring and Testing,

732+, for pressure gauges of the Bourdon tube type.