Mobile home heater
CA 1109744 A · Owner: Mcintire, Kendrick H. · Inventors: Mcintire, Kendrick H.; Mcintire, John E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The specification discloses a mobile home heater taking combustion air from the outside and operable selectively as a stove and a fireplace and being double-walled in its back sides and bottom. In operation as a stove combustion air flows into a bottom passage covering the bottom of the fire chamber, up a back passage covering the back of the fire chamber and down a preheating passage in the back passage and into the lower portion of the fire chamber, secondary air also flowing from the back passage into the upper portion of the fire chamber. For fireplace operation a door is opened, to the fire chamber and also opens ports from the bottom passage to supply air through the door opening, a …
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 September 29, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 29, 1998.
- 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.