Method of making a tire
CA 1080379 A · Owner: Goodyear Tire And Rubber Company (The) · Inventors: Rongone, Ronald L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method of making a tire having improved resistance to interface separation including the steps of compounding a sulfur curable diene rubber to give a masterbatch forming, said masterbatch into tire components plying up the tire, from said component and curing said tire the improvement, wherein the masterbatch contains 2 to 14 parts of furfural butadiene resin per hundred parts of masterbatch.
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
- Granted June 24, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 24, 1997.
- 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.