US PATENT SUBCLASS 236 / 95
.~.~ Expanding fluid

Current as of: June, 1999
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236 /   HD   AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION

*  DD  THERMOSTATIC {9}
*  DD  .~ Flue or heater attached {2}
95.~.~ Expanding fluid

DEFINITION

Classification: 236/95

(under the class definition) Devices controlled by a thermostat of the expanding-fluid type, attached to the outside of the heater or flue controlled and responsive to the temperature thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

4, 18, 32, 40+, 42, 56, and 99, for the type of thermostat with a controlling device operated thereby.