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Expired European patentEurope

A method for manufacturing a radar camouflage material

EP 0122243 B1 · Applicant: DIAB-BARRACUDA AB

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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 22, 1984 and granted November 15, 1989. A European patent lasts at most 20 years from filing, so its term ended March 22, 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 22, 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 22, 1984
PublishedOctober 17, 1984
GrantedNovember 15, 1989
Term endedMarch 22, 2004
Application numberEP 84850093
Classification (CPC)H01Q17/005

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedMarch 22, 1984PublishedOct 17, 1984Patent grantedNov 15, 1989Term endedMarch 22, 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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