US PATENT SUBCLASS 126 / 307 A
.~ Back draft diverter

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


126 /   HD   STOVES AND FURNACES

307 R  DF  STOVEPIPES {3}
307 A.~ Back draft diverter

Unofficial Alpha Subclasses: R A

DEFINITION

Classification: 126/307

(under the class definition) Devices comprising miscellaneous smoke-flues, designed to convey smoke and waste gases from the fire-pot.

SEE OR SEARCH CLASS

138, Pipes and Tubular Conduits, appropriate subclasses for pipe and conduit structures generally.