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Expired European patentEurope

High pressure discharge lamp lighting apparatus and high pressure discharge lamp lighting method

EP 1701596 B1 · Applicant: MITSUBISHI DENKI KABUSHIKI KAISHA

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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 17, 2002 and granted January 21, 2009. A European patent lasts at most 20 years from filing, so its term ended December 17, 2022.
  • 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 17, 2002
PublishedSeptember 13, 2006
GrantedJanuary 21, 2009
Term endedDecember 17, 2022
Application numberEP 06012562
Classification (CPC)H05B41/2928

Timeline

Timeline From EPO dates

2003200520072009201120132015201720192021Application filedDec 17, 2002PublishedSep 13, 2006Patent grantedJan 21, 2009Term endedDec 17, 2022

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

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