US PATENT SUBCLASS 236 / 5
.~.~ Expanding solid

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}
5.~.~ Expanding solid

DEFINITION

Classification: 236/5

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