US PATENT SUBCLASS 236 / 37
.~ Combined radiator and apartment controlled

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

36  DF  HEATING RADIATOR {4}
37.~ Combined radiator and apartment controlled

DEFINITION

Classification: 236/37

(under subclass 36) Devices responsive to conditions in the radiator and temperature of the apartment heated thereby.

SEE OR SEARCH THIS CLASS, SUBCLASS:

9, for systems in which the temperature of a heater and of the apartment controls the regulation.

91, for controls responsive to temperatures at different places.