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Expired European patentEurope

Adaptive antenna transmission apparatus, and base station apparatus using the same

EP 1505744 B1 · Applicant: NEC Corporation

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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 May 15, 2003 and granted July 20, 2011. A European patent lasts at most 20 years from filing, so its term ended May 15, 2023.
  • 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.
FiledMay 15, 2003
PublishedFebruary 9, 2005
GrantedJuly 20, 2011
Term endedMay 15, 2023
Application numberEP 03725784
Classification (CPC)H04B17/18 +2 more

Timeline

Timeline From EPO dates

2004200620082010201220142016201820202022Application filedMay 15, 2003PublishedFeb 9, 2005Patent grantedJuly 20, 2011Term endedMay 15, 2023

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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