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Expired European patentEurope

Protection device comprising a fuse and an insulation element for switching off, and use of said device in a lightning arrestor

EP 1708221 B1 · Applicant: LEGRAND SNC

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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 21, 2006 and granted May 4, 2011. A European patent lasts at most 20 years from filing, so its term ended March 21, 2026.
  • 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.
FiledMarch 21, 2006
PublishedOctober 4, 2006
GrantedMay 4, 2011
Term endedMarch 21, 2026
Application numberEP 06290454
Classification (CPC)H01H37/761 +1 more

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedMarch 21, 2006PublishedOct 4, 2006Patent grantedMay 4, 2011Term endedMarch 21, 2026

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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