US PATENT SUBCLASS 236 / 78 D
.~.~.~ Proportional 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

67  DF  MOTORS {7}
74 R  DF  .~ Electric {5}
78 R  DF  .~.~ Relay {4}
78 D.~.~.~ Proportional control

Unofficial Alpha Subclasses: R A B C D

DEFINITION

Classification: 236/78

(under subclass 74) Devices the motors being set into operation by a relay, which is in turn controlled by means responsive to the temperature to be controlled.