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Expired European patentEurope

Radiocommunications apparatus for signal spreading and despreading under the constraint of a limited off-axis power spectral density

EP 1783928 B1 · Applicant: Alcatel Lucent

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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 November 7, 2005 and granted January 21, 2009. A European patent lasts at most 20 years from filing, so its term ended November 7, 2025.
  • 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.
FiledNovember 7, 2005
PublishedMay 9, 2007
GrantedJanuary 21, 2009
Term endedNovember 7, 2025
Application numberEP 05300895
Classification (CPC)H04L1/08

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedNov 7, 2005PublishedMay 9, 2007Patent grantedJan 21, 2009Term endedNov 7, 2025

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

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