US PATENT SUBCLASS 110 / 315
DOWNDRAFT

Current as of: June, 1999
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110 /   HD   FURNACES

315DOWNDRAFT {1}
316  DF  .~> Grateless

DEFINITION

Classification: 110/315

DOWNDRAFT:

(under the class definition) Apparatus provided with a grate and further having means to cause the incoming air to flow

down through the fuel and grate.

SEE OR SEARCH CLASS

126, Stoves and Furnaces,

76, for a downdraft domestic heating stove.