Masonry fireplace, particularly a baking oven
CA 1297748 C · Owner: Suomen Vuolukivi Oy · Inventors: Sivonen, Juha
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a masonry fireplace particularly a baking oven, comprising: a furnace in which the fuel is burnt and the bottom of which is formed by a baking grate, the furnace being provided with an oven door positioned in the front wall of the oven; an ash chest positioned below the furnace and provided with an ash door; a secondary fire chamber positioned above the furnace and into which a throat leads from the back portion of the furnace; and substantially vertical cheek flues extending downwards from the secondary fire chamber on both sides of the oven door. In order to improve the coefficient of efficiency of the fireplace and to eliminate the risk caused by the coals …
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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 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 2009.
- 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.