Wood burning assembly
CA 1164745 A · Owner: Viessmann, Hans · Inventors: Viessmann, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wood burning assembly or furnace for fuel in the form of slabs or log lengths. The assembly has a combustion chamber provided with a grate and primary and secondary inlet ports and, an ash receptacle is positioned beneath the grate and a grate clos-, ure plate is slidably mounted with respect to the grate enabling selected opening and closing thereof. A feed tunnel for the supply of fuel opens into the combustion chamber and means are provided within the feed tunnel to continuously advance the fuel to the combustion chamber. A movable abutment plate is provided in the combustion chamber at a position opposite to the feed tunnel and, the abutment plate is interconnected with drive means …
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 April 3, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 3, 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.