US PATENT SUBCLASS 236 / 43
.~.~ Expanding solid

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

36  DF  HEATING RADIATOR {4}
*  DD  .~ Thermostatic {2}
43.~.~ Expanding solid

DEFINITION

Classification: 236/43

(under subclass 36) Heating-radiators with a thermostat of the expanding solid type for directly regulating the supply of heating fluid to the radiator.

(1) Note. This also includes devices operated by the expansion of the radiator.

SEE OR SEARCH THIS CLASS, SUBCLASS:

5, 19, 33, 59+, 66, 87, 96, and 101+, for the type of thermostat and controlling devices operated thereby.