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Expired European patentEurope

Method of gas resistance test for image and ink set

EP 1820002 B1 · Applicant: CANON KABUSHIKI KAISHA

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Listed from its EPO record in Patent Yard's archive of European patents past their term. Its claims, description and drawings are in the EPO PDF and on Google Patents, and the Claude kit works from them.

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Why it's free to use

  • Filed May 31, 2005 and granted January 25, 2017. A European patent lasts at most 20 years from filing, so its term ended May 31, 2025.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • We check European rights only. A US or other national patent in its family could still be in force: check its family on Espacenet or Google Patents.
FiledMay 31, 2005
PublishedAugust 22, 2007
GrantedJanuary 25, 2017
Term endedMay 31, 2025
Application numberEP 05745904
Classification (CPC)C09D11/32 +1 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedMay 31, 2005PublishedAug 22, 2007Patent grantedJan 25, 2017Term endedMay 31, 2025

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

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