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Expired European patentEurope

Method of manufacture of surface waveguide

EP 1704432 B1 · Applicant: LIONIX B.V.

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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 January 12, 2005 and granted May 8, 2019. A European patent lasts at most 20 years from filing, so its term ended January 12, 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.
FiledJanuary 12, 2005
PublishedSeptember 27, 2006
GrantedMay 8, 2019
Term endedJanuary 12, 2025
Application numberEP 05782921
Classification (CPC)G02B6/122 +1 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedJan 12, 2005PublishedSep 27, 2006Patent grantedMay 8, 2019Term endedJan 12, 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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.