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Expired European patentEurope

A system and method for providing a messenger service capable of changing messenger status information based on a schedule

EP 1596560 B1 · Applicant: SAMSUNG ELECTRONICS CO., LTD.

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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 December 30, 2004 and granted July 7, 2010. A European patent lasts at most 20 years from filing, so its term ended December 30, 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.
FiledDecember 30, 2004
PublishedNovember 16, 2005
GrantedJuly 7, 2010
Term endedDecember 30, 2024
Application numberEP 04031052
Classification (CPC)H04L51/04 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedDec 30, 2004PublishedNov 16, 2005Patent grantedJuly 7, 2010Term endedDec 30, 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

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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