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Expired European patentEurope

Automatic signal error display and user guided signal recovery in a digital television signal receiver

EP 1497992 B1 · Applicant: Thomson Licensing

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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 April 21, 2003 and granted October 3, 2012. A European patent lasts at most 20 years from filing, so its term ended April 21, 2023.
  • 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.
FiledApril 21, 2003
PublishedJanuary 19, 2005
GrantedOctober 3, 2012
Term endedApril 21, 2023
Application numberEP 03724125
Classification (CPC)H04N5/50 +2 more

Timeline

Timeline From EPO dates

2004200620082010201220142016201820202022Application filedApril 21, 2003PublishedJan 19, 2005Patent grantedOct 3, 2012Term endedApril 21, 2023

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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