Fireplace heating device
CA 1164298 A · Owner: Yun, Bruce H. · Inventors: Park, Kyoopil; Yun, Bruce H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Yun 1, FIREPLACE HEATING DEVICE, ABSTRACT OF THE DISCLOSURE A heating device for installation in a fireplace comprises an intake manifold connectable to a source of forced air and a plurality of adjacent tubes. The tubes are curved to extend below behind and above, material burning in the fireplace and have lower ends near the intake manifold, closed upper ends and a longitudinal interior divider extending diametrically across each of the tubes from near the lower end to near the closed upper end. The dividers are spacedapart from the upper ends and form first and second adjacent passageways in each tube. The first passageway of each tube is connected to the intake manifold near the bottom …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted March 27, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 2001.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.