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Expired European patentEurope

Satellite configuration for interferometric and/or tomographic imaging of the earth's surface using synthetic aperture radar

EP 1273518 B1 · Applicant: Deutsches Zentrum für Luft- und Raumfahrt e.V.

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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 June 22, 2002 and granted November 24, 2004. A European patent lasts at most 20 years from filing, so its term ended June 22, 2022.
  • 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.
FiledJune 22, 2002
PublishedJanuary 8, 2003
GrantedNovember 24, 2004
Term endedJune 22, 2022
Application numberEP 02013852
Classification (CPC)G01S13/87 +2 more

Timeline

Timeline From EPO dates

2003200520072009201120132015201720192021Application filedJune 22, 2002PublishedJan 8, 2003Patent grantedNov 24, 2004Term endedJune 22, 2022

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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