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Expired European patentEurope

Data transmission method with a lower probability of erroneous rejection of data

EP 1668952 B1 · Applicant: SIEMENS AKTIENGESELLSCHAFT

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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 13, 2004 and granted November 11, 2015. A European patent lasts at most 20 years from filing, so its term ended September 13, 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.
FiledSeptember 13, 2004
PublishedJune 14, 2006
GrantedNovember 11, 2015
Term endedSeptember 13, 2024
Application numberEP 04787133
Classification (CPC)H04W72/23

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedSep 13, 2004PublishedJune 14, 2006Patent grantedNov 11, 2015Term endedSep 13, 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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