Basement ventilator
CA 2558994 C · Owner: Lestage, Marc · Inventors: Boudreau, Patrick; Lestage, Marc
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides for a basement ventilator for use in a building to reduce basement humidity and increase basement air circulation the basement ventilator comprising: a household inlet duct for receiving and ducting household air of the building; an interior exhaust vent in communication with the household inlet duct for venting the household air into the basement; a basement air inlet duct for receiving humid air from a lower region of the basement of the building; an exterior exhaust vent in communication with the basement air inlet duct and the outside of the building for venting the humid air from the basement of the building to the outside; and a fan means in …
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 September 8, 2006 and granted February 19, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 8, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.