US PATENT SUBCLASS 236 / 60
.~.~.~ Conduit

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

*  DD  TRAPS {3}
*  DD  .~ Thermostatic {3}
59  DF  .~.~ Expanding solid {1}
60.~.~.~ Conduit

DEFINITION

Classification: 236/60

(under subclass 59) Devices in which the drain-valve is directly operated by a thermostat of the expanding-solid type, but which is in the shape of a conduit, through which the heating fluid passes or is discharged.

SEE OR SEARCH THIS CLASS, SUBCLASS:

103, for controls operated by the expansions of a conduit.