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Expired European patentEurope

Method and apparatus for determining the C/I ratio for co-channel or adjacent channel interference in digital mobile radio networks

EP 0673129 B1 · Applicant: T-Mobile Deutschland GmbH

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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 March 13, 1995 and granted July 21, 2004. A European patent lasts at most 20 years from filing, so its term ended March 13, 2015.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by September 13, 2020.
  • 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.
FiledMarch 13, 1995
PublishedSeptember 20, 1995
GrantedJuly 21, 2004
Term endedMarch 13, 2015
Application numberEP 95103590
Classification (CPC)H04B17/336

Timeline

Timeline From EPO dates

1996199820002002200420062008201020122014Application filedMarch 13, 1995PublishedSep 20, 1995Patent grantedJuly 21, 2004Term endedMarch 13, 2015

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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