US PATENT SUBCLASS 73 / 204.25
.~.~.~ Resistive 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  DF  .~.~ Having particular electrical heating, cooling, or thermal sensing element {2}
204.25.~.~.~ Resistive element {2}
204.26  DF  .~.~.~.~> With substrate carrier (e.g., thin film)
204.27  DF  .~.~.~.~> Wire type (e.g., hot wire)

DEFINITION

Classification: 73/204.25

Resistive element:

(under subclass 204.23) Subject matter wherein the sensor or heater is an electrical resistance element.