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Expired European patentEurope

Pilot signal transmission for an orthogonal frequency division wireless communication system

EP 1859592 B1 · Applicant: QUALCOMM INCORPORATED

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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 17, 2006 and granted September 12, 2018. A European patent lasts at most 20 years from filing, so its term ended March 17, 2026.
  • 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.
FiledMarch 17, 2006
PublishedNovember 28, 2007
GrantedSeptember 12, 2018
Term endedMarch 17, 2026
Application numberEP 06769782
Classification (CPC)H04L5/023 +2 more

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedMarch 17, 2006PublishedNov 28, 2007Patent grantedSep 12, 2018Term endedMarch 17, 2026

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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