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Expired European patentEurope

Self-adaptive binarization of digital images

EP 1282076 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 July 31, 2002 and granted November 25, 2009. A European patent lasts at most 20 years from filing, so its term ended July 31, 2022.
  • 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.
FiledJuly 31, 2002
PublishedFebruary 5, 2003
GrantedNovember 25, 2009
Term endedJuly 31, 2022
Application numberEP 02255340
Classification (CPC)G06T7/12 +1 more

Timeline

Timeline From EPO dates

2003200520072009201120132015201720192021Application filedJuly 31, 2002PublishedFeb 5, 2003Patent grantedNov 25, 2009Term endedJuly 31, 2022

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

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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