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Expired European patentEurope

Thick-film conductor paste for automotive glass

EP 1506944 B1 · Applicant: E.I. DU PONT DE NEMOURS AND COMPANY

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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 July 19, 2004 and granted January 12, 2011. A European patent lasts at most 20 years from filing, so its term ended July 19, 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.
FiledJuly 19, 2004
PublishedFebruary 16, 2005
GrantedJanuary 12, 2011
Term endedJuly 19, 2024
Application numberEP 04016947
Classification (CPC)C03C8/22 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedJuly 19, 2004PublishedFeb 16, 2005Patent grantedJan 12, 2011Term endedJuly 19, 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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