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Expired European patentEurope

Device for the identification and suppression of unwanted second trace echoes in radar systems

EP 0126032 B1 · Applicant: SELENIA INDUSTRIE ELETTRONICHE ASSOCIATE S.p.A.

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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 12, 1984 and granted November 11, 1992. A European patent lasts at most 20 years from filing, so its term ended March 12, 2004.
  • 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 September 12, 2009.
  • 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 12, 1984
PublishedNovember 21, 1984
GrantedNovember 11, 1992
Term endedMarch 12, 2004
Application numberEP 84830065
Classification (CPC)G01S13/20 +1 more

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedMarch 12, 1984PublishedNov 21, 1984Patent grantedNov 11, 1992Term endedMarch 12, 2004

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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