Air circulating method and device
CA 2412043 C · Owner: Evapco Systems Lmp, Ulc · Inventors: Lesage, Gaetan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for circulating the air contained within an enclosure so as to reduce the vertical air temperature stratification. The method includes the steps of positioning a piece of furniture within the enclosure so as to create an air , circulating conduit. The piece of furniture is positioned so as to form at least part , of the air circulating conduit. The air circulating conduit defines a circulating , conduit inlet positioned adjacent a first initial air temperature level and a circulating conduit outlet positioned adjacent a second initial air temperature , level. The method also involves inducing a flow of air in the circulating conduit so , as to force the air adjacent the …
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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 December 19, 2002 and granted February 22, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 19, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 19, 2024.
- 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.