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Expired European patentEurope

Phase-control in an external-cavity tuneable laser

EP 1668751 B1 · Applicant: Google Inc.

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Overview

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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.

Google PatentsEPO PDF

Why it's free to use

  • Filed September 30, 2003 and granted December 14, 2016. A European patent lasts at most 20 years from filing, so its term ended September 30, 2023.
  • 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 30, 2003
PublishedJune 14, 2006
GrantedDecember 14, 2016
Term endedSeptember 30, 2023
Application numberEP 03753486
Classification (CPC)H01S5/141

Timeline

Timeline From EPO dates

2004200620082010201220142016201820202022Application filedSep 30, 2003PublishedJune 14, 2006Patent grantedDec 14, 2016Term endedSep 30, 2023

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.