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Expired European patentEurope

System and method for enhancing near vertical incidence skywave ("nvis”) communication using space-time coding

EP 1730867 B1 · Applicant: Rearden, Inc

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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 April 1, 2005 and granted February 27, 2019. A European patent lasts at most 20 years from filing, so its term ended April 1, 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.
FiledApril 1, 2005
PublishedDecember 13, 2006
GrantedFebruary 27, 2019
Term endedApril 1, 2025
Application numberEP 05733294
Classification (CPC)H04L1/0618

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedApril 1, 2005PublishedDec 13, 2006Patent grantedFeb 27, 2019Term endedApril 1, 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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