US PATENT SUBCLASS 236 / 38
.~ Air control

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}
38.~ Air control

DEFINITION

Classification: 236/38

(under subclass 36) Means regulating the flow of air over the radiator according to temperature changes in the radiator, the air heated, or the apartment to be heated.

SEE OR SEARCH THIS CLASS, SUBCLASS:

13, for similar structure in fluid mixers.