US PATENT SUBCLASS 73 / 716
.~.~ Multiple and/or differential

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

700  DF  FLUID PRESSURE GAUGE {20}
715  DF  .~ Diaphragm {6}
716.~.~ Multiple and/or differential {1}
717  DF  .~.~.~> With electrical readout {3}

DEFINITION

Classification: 73/716

Multiple and/or differential:

(under subclass 715) Subject matter having multiple unit flexible wall or plate devices subjected to single or plural pressures and single flexible wall or plate devices responsive to plural pressures.

SEE OR SEARCH THIS CLASS, SUBCLASS:

763, for multiple unit and/or differential Bourdon type.

SEE OR SEARCH CLASS

374, Thermal Measuring and Testing,

112, for differential temperature measurement.