US PATENT SUBCLASS 126 / 279
.~ Ventilating

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

277  DF  PLATFORMS {2}
279.~ Ventilating

DEFINITION

Classification: 126/279

(under subclass 278) Devices so constructed as to allow for a free circulation of air beneath or through them.

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500+, for fireplace bases or hearths having air feeding or ventilating features therein.