Space heater
CA 2473311 A1 · Owner: Burley Appliances Limited · Inventors: Bristow, Gary
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A space heater comprises a housing (4) having a rear wall (8) and a front wall (10). Located forwardly of the front wall is a solid fuel effect means (12). Heating means is provided, in conventional manner. Suspended within the housing (4) by an upper support (30) is a flame effect means which in a preferred embodiment is in the form of a sheet of lightweight flexible material, the sheet being provided with elongate openings (20). Means (18) is provided to cause the sheet (14) to move specifically by directing a flow of , air upwardly against the material to cause the material to billow. Light is directed from a light source (28) against the flame effect means some light , being …
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
- Filed January 9, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 9, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 9, 2025.
- 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.