.~.~ Having readily movable air regulating louver,damper, or cover {5}
348
.~.~.~ Continuously horizontal damper panel
DEFINITION
Classification: 454/348
Continuously horizontal damper panel:
(under subclass 347) Subject matter comprising an easily shiftable, air permitting or preventing inner body having an air engaging and controlling plate which is always maintained in a position parallel to the horizon while motion is being imparted to it and while it is being used.
SEE OR SEARCH THIS CLASS, SUBCLASS:
29, for chimneytop or stacktop structure having a continuously horizontal damper panel which is readily movable
