US PATENT SUBCLASS 126 / 294
.~.~ Cone

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

285 R  DF  DAMPERS {7}
292  DF  .~ Stovepipe {5}
294.~.~ Cone

DEFINITION

Classification: 126/294

(under subclass 292) Dampers in the form of a sectional truncated cone. One or both of its sides are usually movable, so as to cause direct or retarded draft in the pipe.