US PATENT SUBCLASS 126 / 374
.~.~ With automatic control

Current as of: June, 1999
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126 /   HD   STOVES AND FURNACES

344  DF  WATER HEATERS {7}
373  DF  .~ Vessels {10}
374.~.~ With automatic control

DEFINITION

Classification: 126/374

(under subclass 373) Devices provided with means to sense a change of condition and to initiate, maintain, and/or terminate the heating of the liquid upon the change of condition.

SEE OR SEARCH THIS CLASS, SUBCLASS:

351, for automatic control of liquid or gaseous fuel devices.