Pneumatic tires
CA 1324565 C · Owner: The Goodyear Tire & Rubber Company · Inventors: Welter, Thomas Nicolas Hubert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A radial ply pneumatic tire (10) has carcass plies (13,14,15) reinforced by cables comprising only yarns of aramid filaments, and belt plies (31-35) reinforced by cables comprising at least two yarns of aramid filaments and a core yarn consisting of at least one polyamide or polyester filament which have at least a partially oriented structure, said aramid yarns being adjacent to one another and twisted about said core yarn but not being twisted together with one another.
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 November 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 23, 2010.
- 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.