US PATENT SUBCLASS 236 / 9 A
.~ Combined heating and apartment control with heating medium circulation control

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

9 R  DF  COMBINED HEATER AND APARTMENT CONTROLLED {1}
9 A.~ Combined heating and apartment control with heating medium circulation control

Unofficial Alpha Subclasses: R A

DEFINITION

Classification: 236/9

(under the class definition) Subject matter which are operated by devices responsive to temperature changes in a heater and also temperature changes in an apartment to be heated.

SEE OR SEARCH THIS CLASS, SUBCLASS:

37, for control by radiator temperature and apartment temperature.

91, for other controls responsive to temperatures at different places.