US PATENT SUBCLASS 237 / 47
.~ Stove

Current as of: June, 1999
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237 /   HD   HEATING SYSTEMS

46  DF  VENTILATING {3}
47.~ Stove

DEFINITION

Classification: 237/47

(under subclass 46) Ventilating heating-systems having a stove as a heater.

SEE OR SEARCH CLASS

126, Stoves and Furnaces,

80, 84, 216, and 293, for stove and ventilator combinations.

454, Ventilation,

43, for flue heated ventilators.