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Expired European patentEurope

System and method of forwarding end user correlated states

EP 1764981 B1 · Applicant: Tektronix Inc.

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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 September 15, 2006 and granted May 22, 2013. A European patent lasts at most 20 years from filing, so its term ended September 15, 2026.
  • 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.
FiledSeptember 15, 2006
PublishedMarch 21, 2007
GrantedMay 22, 2013
Term endedSeptember 15, 2026
Application numberEP 06254816
Classification (CPC)H04L69/40 +2 more

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedSep 15, 2006PublishedMarch 21, 2007Patent grantedMay 22, 2013Term endedSep 15, 2026

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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