Tire and reinforcing belt structure therefor
CA 1090686 A · Owner: Uniroyal, S.A. · Inventors: Mirtain, Henri J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pneumatic tire having a reinforcing belt which includes a first ply of cords formed from a synthetic material having a high modulus of elasticity and a second ply of metallic cords. The first ply has a width substantially equal to the width of the tread of the tire. The second ply has a width between one-fourth and threefourths of the width of the tread. The second ply reinforces the median region of the tread. Each cord of the first ply intersects the median equatorial plane of the tire at a first angle of from 14° to 30°; each cord of the second ply intersects the median equatorial plane of the tire at a second angle of from 22° to 32°. The secondangle is opposite in direction from the …
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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
- Granted December 2, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 2, 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.