Rubber-reinforced structure
CA 2492489 A1 · Owner: Ikuta, Toru · Inventors: Ikuta, Toru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rubber-reinforced structure including a composite member comprising a tireforming resin member and rubber member bonded to each other directly without any adhesive, the composite member obtained by bringing a resin member of the following combination into contact with an unvulcanized rubber composition and effecting vulcanization thereof. The combination is any of the following: (i) combination of a rubber composition containing a radical generator and a resin composition containing a thermoplastic resin having per molecule on the , average, at least two active atoms (hydrogen atoms or sulfur atoms) whose orbital interaction energy coefficient (S) is 0.006 or greater; (ii) …
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 July 4, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 4, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 4, 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.