US PATENT SUBCLASS 236 / 96
.~.~ Expanding solid

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}
96.~.~ Expanding solid

DEFINITION

Classification: 236/96

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

SEE OR SEARCH THIS CLASS, SUBCLASS:

5, 19, 33, 43, 59, and 87, for the type of thermostat with a controlling means operated thereby.