Inner tube assembly for run-flat tires
CA 1045964 A · Owner: Uniroyal · Inventors: Igea, Gilbert L.; Mirtain, Henri J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An inner tube assembly for a pneumatic tire comprising a primary annular tube, a secondary annular tube surrounding the primary annular tube an annular, primary tube-restraining band interpositioned between the primary and secondary tubes, and valves intercommunicating the primary and secondary tubes with one another is, disclosed. The foregoing abstract is neither intended to define the invention disclosed in the specification nor, is it intended to limit the scope of the invention in any way.
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 January 9, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 9, 1996.
- 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.