Pneumatic tire
CA 1315652 C · Owner: Watanabe, Tadashi · Inventors: Nishide, Seiichiro; Watanabe, Tadashi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pneumatic tire comprising a carcass having two opposite beads and extending from one bead to the other bead, a tread portion disposed radially outwardly of the carcass and extending in a circumferential direction of the tire, a belt of steel cord material disposed between the carcass and the tread portion the, belt having two laterally opposite end portions and a, reinforcing layer disposed between the tread portion and the belt. The reinforcing layer is formed by spirally hooping a continuous ribbon material on the belt. The continuous ribbon material is composed of a plurality of nylon cords covered with rubber. The reinforcing layer is varied in cord density laterally of the tire by …
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 April 6, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 6, 2010.
- 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.