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Expired European patentEurope

Method for manufacturing powder-metallurgy processed Nb3sn superconducting wire and precursor to powder-metallurgy processed Nb3sn superconducting wire

EP 1705721 B1 · Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)

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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 8, 2006 and granted December 29, 2010. A European patent lasts at most 20 years from filing, so its term ended March 8, 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 8, 2006
PublishedSeptember 27, 2006
GrantedDecember 29, 2010
Term endedMarch 8, 2026
Application numberEP 06110851
Classification (CPC)H10N60/0184

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedMarch 8, 2006PublishedSep 27, 2006Patent grantedDec 29, 2010Term endedMarch 8, 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

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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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