US PATENT SUBCLASS 236 / 4
.~.~ Expanding fluid

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

2  DF  INCUBATOR TYPE OF HEATER {2}
*  DD  .~ Thermostatic {2}
4.~.~ Expanding fluid

DEFINITION

Classification: 236/4

(under subclass 2) Subject matter in which the regulating means is operated directly by a thermostat of the expanding-fluid type.