Pneumatic tire
CA 1234339 A · Owner: The Goodyear Tire & Rubber Company · Inventors: Philpott, Frank
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pneumatic tire and a method of constructing a tire bead for the same, in which the tire has a bead portion (11) which is reinforced by a bead core (20) of wire running around the bead portion and the wire is housed in a circular elastomeric support (16) which forms a cradle in which the wire is located. The bead can be made by winding wire around the preformed elastomeric cradle.
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 March 22, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 22, 2005.
- 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.