US PATENT SUBCLASS 126 / 316
.~ Combined thimble and ventilator

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

314  DF  STOVEPIPE THIMBLES {5}
316.~ Combined thimble and ventilator

DEFINITION

Classification: 126/316

(under subclass 314) Devices comprising thimbles designed to ventilate.