Tire
CA 2447406 A1 · Owner: Hsu, Shut Chen · Inventors: Hsu, Shut Chen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vehicle tire fabrication method in which a raw tire tube is adhered with two annular hook members and two annular rubber packing members one the inside and an airtight seating layer and a combination outer tire wall layer on the outside and then the raw, tire thus obtained is put in a vulcanizing mold and vulcanized into a finished vehicle tire, and then the annular rubber packing members are removed from the finished vehicle tire.
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 30, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 30, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 30, 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.