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Expired Canadian patentCanada

Aircraft tyre

CA 2511170 C · Owner: Michelin Recherche Et Technique S.A. · Inventors: Monnerie, Christian

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The invention relates to an aircraft tyre with an inflation pressure of greater than 9 bars and a deflection of greater than 30 %. The inventive tyre comprises a crown two sidewalls and two beads, a carcass reinforcement which is anchored in the two beads and a crown reinforcement. The aforementioned carcass reinforcement comprises at least one circumferential alignment of reinforcing elements and the means used to anchor said reinforcing elements in each bead comprise circumferentially-oriented reinforcing elements that border the circumferential alignments of carcass reinforcing elements in an axial manner. Moreover the carcass reinforcing elements and the circumferentially-oriented …

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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

  • Filed December 19, 2003 and granted March 20, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 19, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 19, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 19, 2003
GrantedMarch 20, 2012
Term endedDecember 19, 2023
Patent numberCA 2511170 C
Classification (IPC)B60C15/04 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedDec 19, 2003Patent grantedMarch 20, 2012Term endedDec 19, 2023

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.