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Expired European patentEurope

Optical elements related manufacturing methods and assemblies incorporating optical elements

EP 1683174 B1 · Applicant: Gentex Corporation

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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 August 18, 2004 and granted October 23, 2013. A European patent lasts at most 20 years from filing, so its term ended August 18, 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.
FiledAugust 18, 2004
PublishedJuly 26, 2006
GrantedOctober 23, 2013
Term endedAugust 18, 2024
Application numberEP 04781516
Classification (CPC)G02B27/1066 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedAug 18, 2004PublishedJuly 26, 2006Patent grantedOct 23, 2013Term endedAug 18, 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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