Combined fireplace hood and heating unit
CA 1071962 A · Owner: Brown, Rex M. · Inventors: Brown, Rex M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
AR:WJW:RCC:cew, COMBINED FIREPLACE HOOD AND HEATING UNIT Abstract, A combined fireplace hood and heating unit which is adapted to be mounted as an assembled unit to the lintel of a pre-existing fireplace. The unit includes a fireplace hood formed as an elongated housing, and a pair of U-shaped heat exchanging ducts each having a rectangular cross section and each extending in cantilever fashion from the rear of the housing. Brackets are provided at the front-to-back center of gravity of the unit for suspending the unit from a fireplace lintel such that the housing is carried externally of the fireplace and the heat exchanging ducts extend rearwardly into the fireplace over the fire or …
Read the whole patent
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 February 19, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 19, 1997.
- 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.