US PATENT SUBCLASS 126 / 504
.~.~ Of flue damper

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

500  DF  FIREPLACES OR ACCESSORIES {19}
502  DF  .~ Condition responsive control {2}
504.~.~ Of flue damper

DEFINITION

Classification: 126/504

Of flue damper:

(under subclass 502) Subject matter including an adjustable closure plate in a channel leading from the flame to the exterior of the enclosure, and wherein said control function affects the degree of closure of said channel by said plate.