Pressure-sensitive adhesive sheet for tire
CA 2574053 C · Owner: Tabata, Kouji · Inventors: Tabata, Kouji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tire adhesive sheet having a high adhesive strength to a tire at a wide temperature range and a good tackiness even to a studless tire is provided. The tire adhesive sheet contains a base material and an adhesive layer. The adhesive layer contains a hot-melt type adhesive composition and is constructed to satisfy adhesion characteristics of: (A) an adhesive strength of 7 N/25 mm or more with respect to a SBR plate at 5°C; and, (B) an adhesive strength of 7 N/25 mm or more with respect to a SBR plate at 40°C.
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 October 25, 2005 and granted June 25, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 25, 2025.
- 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.