US PATENT SUBCLASS 236 / 16
COMBINED DRAFT AND CHECK CONTROL
Current as of:
June, 1999
Click
HD
for Main Headings
Click for
All Classes
Internet Version by
PATENTEC
© 1999
Terms of Use
236 /
HD
AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION
16
COMBINED DRAFT AND CHECK CONTROL
DEFINITION
Classification: 236/16
(under the class definition) Devices controlling the draft damper and check damper of a stove or furnace according to changes in the temperature of apartment or element heated.
