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Expired European patentEurope

Heat-reflecting pane with zero-order diffractive filter

EP 1767964 B1 · Applicant: CSEM Centre Suisse d'Electronique et de Microtechnique SA

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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 September 26, 2005 and granted December 31, 2008. A European patent lasts at most 20 years from filing, so its term ended September 26, 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.
FiledSeptember 26, 2005
PublishedMarch 28, 2007
GrantedDecember 31, 2008
Term endedSeptember 26, 2025
Application numberEP 05405558
Classification (CPC)G02B5/203 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedSep 26, 2005PublishedMarch 28, 2007Patent grantedDec 31, 2008Term endedSep 26, 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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