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Expired European patentEurope

Radio paging system with different transmission speeds and receiver therefor

EP 0264205 B1 · Applicant: NEC CORPORATION

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Overview

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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 28, 1987 and granted December 23, 1992. A European patent lasts at most 20 years from filing, so its term ended September 28, 2007.
  • 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 March 28, 2013.
  • 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 28, 1987
PublishedApril 20, 1988
GrantedDecember 23, 1992
Term endedSeptember 28, 2007
Application numberEP 87308566
Classification (CPC)H04L1/0041 +2 more

Timeline

Timeline From EPO dates

1988199019921994199619982000200220042006Application filedSep 28, 1987PublishedApril 20, 1988Patent grantedDec 23, 1992Term endedSep 28, 2007

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.