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Expired European patentEurope

A method for radar mapping an area and a radar equipment to carry out the method

EP 0202320 B1 · Applicant: HELLSTEN, Hans

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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 27, 1985 and granted April 1, 1992. A European patent lasts at most 20 years from filing, so its term ended November 27, 2005.
  • 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 May 27, 2011.
  • 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 27, 1985
PublishedNovember 26, 1986
GrantedApril 1, 1992
Term endedNovember 27, 2005
Application numberEP 86900306
Classification (CPC)G01S13/9004

Timeline

Timeline From EPO dates

1986198819901992199419961998200020022004Application filedNov 27, 1985PublishedNov 26, 1986Patent grantedApril 1, 1992Term endedNov 27, 2005

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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