US PATENT SUBCLASS 126 / 319
.~ Flue stoppers

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

314  DF  STOVEPIPE THIMBLES {5}
319.~ Flue stoppers

DEFINITION

Classification: 126/319

(under subclass 314) Devices designed to close flue and thimble openings.