Expired Canadian patentCanada
Latex based composite foams
CA 2613706 C · Owner: Latexco Nv · Inventors: Guesquiere, Vincent
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composite foam comprising a top layer of latex foam and a second layer of a foam selected from polyolefin, polyurethane polystyrene or polyester or visco-, elastic latex or mixtures thereof. A bedding such as a mattress or topper comprising said composite foam
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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 June 29, 2006 and granted April 26, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 29, 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.
FiledJune 29, 2006
GrantedApril 26, 2016
Term endedJune 29, 2026
Patent numberCA 2613706 C
Classification (IPC)C08L9/10 +2 more
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.