Pneumatic radial tires
CA 1232829 A · Owner: Bridgestone Corporation · Inventors: Yatsunami, Joji; Araki, Tamio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
BRIDGESTONE U59-66,023, Abstract of the Disclosure A pneumatic radial tire comprising a radial carcass and a belt superimposed about a crown of the carcass is disclosed. In this tire, the cord for the belt is a metallic cord comprising a core of two metallic wires and an outer layer of six metallic wires disposed about the core, all of these wires having the same diameter and twisting direction and a form ratio of 90~110%.
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 16, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 16, 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.