US PATENT SUBCLASS 73 / 204.23
.~.~ Having particular electrical heating, cooling, or thermal sensing element

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

861  DF  VOLUME OR RATE OF FLOW {23}
204.11  DF  .~ Thermal type {9}
204.23.~.~ Having particular electrical heating, cooling, or thermal sensing element {2}
204.24  DF  .~.~.~> Thermoelectric junction
204.25  DF  .~.~.~> Resistive element {2}

DEFINITION

Classification: 73/204.23

Having particular electrical heating, cooling, or thermal sensing element:

(under subclass 204.11) Subject matter having a designated electrical thermal modifying or responsive element.

(1) Note. The structure of a sensing element, not designated as part of a measuring system, is classified with such elements.

SEE OR SEARCH CLASS

374, Thermal Measuring and Testing, appropriate subclasses for thermal measuring system not used for flow measurement.