(under subclass 314) Devices capable of vertical adjustment to suit the height of a stovepipe to obviate the necessity of cutting the same to fix the stove-hole of the chimney; also adjustable thimbles adapted to receive different-size stove-pipes.
SEE OR SEARCH THIS CLASS, SUBCLASS:
82, for stoves in which the back plate carries a pipe collar which is capable of adjustment relative to the flue opening.
