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Expired European patentEurope

End structure of superconducting cable

EP 1850436 B1 · Applicant: Sumitomo Electric Industries, 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 February 15, 2005 and granted October 2, 2013. A European patent lasts at most 20 years from filing, so its term ended February 15, 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.
FiledFebruary 15, 2005
PublishedOctober 31, 2007
GrantedOctober 2, 2013
Term endedFebruary 15, 2025
Application numberEP 05719104
Classification (CPC)H02G15/34

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedFeb 15, 2005PublishedOct 31, 2007Patent grantedOct 2, 2013Term endedFeb 15, 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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