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Expired European patentEurope

A method to detect a defective pixel

EP 1583946 B1 · Applicant: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.

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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 January 14, 2004 and granted November 8, 2006. A European patent lasts at most 20 years from filing, so its term ended January 14, 2024.
  • 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.
FiledJanuary 14, 2004
PublishedOctober 12, 2005
GrantedNovember 8, 2006
Term endedJanuary 14, 2024
Application numberEP 04702111
Classification (CPC)G03F7/70425 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedJan 14, 2004PublishedOct 12, 2005Patent grantedNov 8, 2006Term endedJan 14, 2024

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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