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Expired European patentEurope

Generator of synchronous heavy current pulses on parallel outputs

EP 0189692 B1 · Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE

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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 December 13, 1985 and granted February 27, 1991. A European patent lasts at most 20 years from filing, so its term ended December 13, 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 June 13, 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.
FiledDecember 13, 1985
PublishedAugust 6, 1986
GrantedFebruary 27, 1991
Term endedDecember 13, 2005
Application numberEP 85402487
Classification (CPC)H03K3/537

Timeline

Timeline From EPO dates

1986198819901992199419961998200020022004Application filedDec 13, 1985PublishedAug 6, 1986Patent grantedFeb 27, 1991Term endedDec 13, 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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