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Expired European patentEurope

Transparent conductive film and transparent conductive base material utilizing the same

EP 1720175 B1 · Applicant: Sumitomo Metal Mining Co., 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 December 28, 2004 and granted May 12, 2010. A European patent lasts at most 20 years from filing, so its term ended December 28, 2024.
  • 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.
FiledDecember 28, 2004
PublishedNovember 8, 2006
GrantedMay 12, 2010
Term endedDecember 28, 2024
Application numberEP 04807950
Classification (CPC)C23C14/08 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedDec 28, 2004PublishedNov 8, 2006Patent grantedMay 12, 2010Term endedDec 28, 2024

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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