US PATENT SUBCLASS 126 / 502
.~ Condition responsive control

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.~ Condition responsive control {2}
503  DF  .~.~> Of fluid fuel feed
504  DF  .~.~> Of flue damper

DEFINITION

Classification: 126/502

Condition responsive control:

(under subclass 500) Subject matter including means to sense a condition or change of condition in the environment or in the operation of said structure or device; and said means effects a control function on the operation of said structure or device.