US PATENT SUBCLASS 236 / 78 C
.~.~.~ Reversible motor


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

67  DF  MOTORS {7}
74 R  DF  .~ Electric {5}
78 R  DF  .~.~ Relay {4}
78 C.~.~.~ Reversible motor

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.