US PATENT SUBCLASS 73 / 204.12
.~.~ With conduit extending between heat sinks

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}
204.12.~.~ With conduit extending between heat sinks

DEFINITION

Classification: 73/204.12

With conduit extending between heat sinks:

(under subclass 204.11) Subject matter which measures the flow rate of a fluid flowing in a conduit extending between two bodies of fixed temperature.

(1) Note. The conduit is itself often a conductive portion of either a heating or measuring circuit.