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Expired European patentEurope

Method of electromagnetically stirring molten steel

EP 1837100 B1 · Applicant: Nippon Steel Corporation

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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 October 13, 2005 and granted December 12, 2012. A European patent lasts at most 20 years from filing, so its term ended October 13, 2025.
  • 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.
FiledOctober 13, 2005
PublishedSeptember 26, 2007
GrantedDecember 12, 2012
Term endedOctober 13, 2025
Application numberEP 05795770
Classification (CPC)B22D11/115

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedOct 13, 2005PublishedSep 26, 2007Patent grantedDec 12, 2012Term endedOct 13, 2025

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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