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Expired European patentEurope

Method and apparatus for transmitting audio and non-audio information with error correction

EP 1506549 B1 · Applicant: Thomson Licensing

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Overview

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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 August 13, 2002 and granted February 22, 2012. A European patent lasts at most 20 years from filing, so its term ended August 13, 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.
FiledAugust 13, 2002
PublishedFebruary 16, 2005
GrantedFebruary 22, 2012
Term endedAugust 13, 2022
Application numberEP 02794881
Classification (CPC)H04H20/28 +2 more

Timeline

Timeline From EPO dates

2003200520072009201120132015201720192021Application filedAug 13, 2002PublishedFeb 16, 2005Patent grantedFeb 22, 2012Term endedAug 13, 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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