US PATENT SUBCLASS 73 / 730
.~.~ Expansible conduit

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

700  DF  FLUID PRESSURE GAUGE {20}
715  DF  .~ Diaphragm {6}
730.~.~ Expansible conduit

DEFINITION

Classification: 73/730

Expansible conduit:

(under subclass 715) Subject matter wherein the pressure being measured deflects a flexible portion of a fluid-carrying pipe or tube section and a detection of the degree of deflection is taken as an indication of pressure.