US PATENT SUBCLASS 236 / 42
.~.~ Expanding fluid

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


236 /   HD   AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION

36  DF  HEATING RADIATOR {4}
*  DD  .~ Thermostatic {2}
42.~.~ Expanding fluid

DEFINITION

Classification: 236/42

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

SEE OR SEARCH THIS CLASS, SUBCLASS:

4, 18, 32, 56+, 64, 86, and 99, for the type of thermostat used and controlling devices operated thereby.

40+, for similar devices exhaust operated.