Self-actuating hot air register deflector and cover
CA 2224751 A1 · Owner: Champagne, Douglas K. · Inventors: Champagne, Douglas K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to the automatic opening and closing of typical forced hot air, registers deflector and cover. The usual and common practice of deflecting hot air as it leaves the register is to place a, separate deflector on the register. These deflectors are meant to direct the hot air to the center of the room where it is most, desired. The current available deflectors do not act as a cover and are inconvenient as they, protrude above the floor and are therefore in a position to be easily displaced and, broken. It is the purpose of this invention to prevent this occurrence by automatically closing the, deflector almost flat with the floor and at the same time acting as 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
- Filed March 9, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 9, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 9, 2020.
- 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.