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Expired European patentEurope

Method of sealing two plates with the formation of an ohmic contact therebetween

EP 1697975 B1 · Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE

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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 21, 2004 and granted August 26, 2009. A European patent lasts at most 20 years from filing, so its term ended December 21, 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 21, 2004
PublishedSeptember 6, 2006
GrantedAugust 26, 2009
Term endedDecember 21, 2024
Application numberEP 04816589
Classification (CPC)H10P10/128

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedDec 21, 2004PublishedSep 6, 2006Patent grantedAug 26, 2009Term endedDec 21, 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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