Pneumatic tires
CA 1057182 A · Owner: Michelin & Cie (Compangie Generale Des Etablissements Michelin) · Inventors: Mathevet, Albert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tire having a radial carcass reinforcement and a tread reinforcement formed of at least two nonfolded diagonal superposed plies of different widths and of at least one diagonal ply with two folded edges each of said, folded edges resting on at least a portion of a nonfolded ply, is improved against structural defects by an arrangement wherein the nonfolded plies have axial widths which increase with the radial distances of said plies from the axis of the tire and wherein the ply with folded edges is so arranged that its folded edges cover at least the edges of the widest nonfolded ply.
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 26, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 26, 1996.
- 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.