Space heaters
CA 1046370 A · Owner: Morris, William H. D. · Inventors: Morris, William H. D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A space heater having a combustion chamber provided with hollow cheeks adapted for providing a supply of air into the combustion chamber at a level above the burner. The space heater may incorporate a water boiler and/or a cooker unit which are arranged to be heated by combustion products in respective flues, each flue having a separate damper, whereby the flow of combustion products through each may be controlled.
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 January 16, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 16, 1996.
- 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.