Expired Canadian patentCanada
Radial tires containing polyamide monofilament
CA 1286962 C · Owner: E.I. Du Pont De Nemours And Company · Inventors: Gupta, Dipak
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pneumatic radial tire, wherein each carcass ply contains a rubberized layer of load bearing polyamide monofilaments.
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 July 30, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 30, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 11, 1988
GrantedJuly 30, 1991
Term endedJuly 30, 2008
Patent numberCA 1286962 C
Classification (IPC)B60C9/08 +1 more
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.