US PATENT SUBCLASS 73 / 25.01
.~ By thermal property


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

23.2  DF  GAS ANALYSIS {15}
25.01.~ By thermal property {4}
25.02  DF  .~.~> With magnetic property (e.g., paramagnetic gas)
25.03  DF  .~.~> Thermoconductivity
25.04  DF  .~.~> Moisture content or vapor pressure
25.05  DF  .~.~> Detector detail


DEFINITION

Classification: 73/25.01

By thermal property:

(under subclass 23.2) Subject matter in which the composition of a gas or a constituent of a gas is determined by detecting or measuring the heat transmitting or heat related properties of the gas.

SEE OR SEARCH THIS CLASS, SUBCLASS:

29.02, for hygrometers utilizing temperature measuring.