Pneumatic tire
CA 1071985 A · Owner: B.F. Goodrich Company (The) · Inventors: Alden, John T.; Miller, Michael G.; Sabo, Stephen C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pneumatic tire which can be operated in a deflated condition without damage to the tire, wherein the tire has a cord ply, a tread, a ply with wire cords in the crown and, thick sidewalls wherein the cord ply extends from the heel of the bead to a location closely adjacent to the outer surface of the midpoint of the sidewall and thence towards the inner surface of the crown. The interior portion of the sidewall rubber has a high dynamic modulus with low hysteresis properties and high aging properties.
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 February 19, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 19, 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.