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Expired European patentEurope

A wireless communication base station transmission timing offset correction system

EP 1174726 B1 · Applicant: Hitachi, 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 May 30, 2001 and granted December 20, 2006. A European patent lasts at most 20 years from filing, so its term ended May 30, 2021.
  • 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 30, 2001
PublishedJanuary 23, 2002
GrantedDecember 20, 2006
Term endedMay 30, 2021
Application numberEP 01112839
Classification (CPC)H04J3/0685

Timeline

Timeline From EPO dates

2002200420062008201020122014201620182020Application filedMay 30, 2001PublishedJan 23, 2002Patent grantedDec 20, 2006Term endedMay 30, 2021

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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