US PATENT SUBCLASS 236 / 36
HEATING RADIATOR


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

36HEATING RADIATOR {4}
37  DF  .~> Combined radiator and apartment controlled
38  DF  .~> Air control
*  DD  .~> Exhaust operated {2}
*  DD  .~> Thermostatic {2}


DEFINITION

Classification: 236/36

(under the class definition) Devices not otherwise classified controlling the supply of heating fluid to a heating-radiator.