Fireplace insert
CA 1048880 A · Owner: Schulte Industries Ltd. · Inventors: Schulte, John C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A casing is placed in the fireplace and has an adjustable damper on the rear wall communicating with a source of outside air extending through the rear wall of the fireplace. A shelf extends forwardly from the rear wall of the casing above the damper and terminates spaced from the front wall. An apertured grate engages the open underside and closes same so that air enters the damper into the casing and then flows around the front of the shelf and upwardly through the apertures within the grate to the fire. A pair of detachable and adjustable fuel holding or fuel retaining components hook into the grate at any desired position. The use of the device reduces the amount of air drawn from the …
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 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 20, 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.