US PATENT SUBCLASS 236 / 3
.~ Electric

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

2  DF  INCUBATOR TYPE OF HEATER {2}
3.~ Electric

DEFINITION

Classification: 236/3

(under subclass 2) Subject matter in which the controlling means is electrically operated.

SEE OR SEARCH THIS CLASS, SUBCLASS:

74+, for the type of operating apparatus used.