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Expired European patentEurope

Dielectric barrier discharge lamp with a base

EP 1506567 B1 · Applicant: Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH

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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 May 14, 2003 and granted July 18, 2007. A European patent lasts at most 20 years from filing, so its term ended May 14, 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.
FiledMay 14, 2003
PublishedFebruary 16, 2005
GrantedJuly 18, 2007
Term endedMay 14, 2023
Application numberEP 03752699
Classification (CPC)H01J65/046 +1 more

Timeline

Timeline From EPO dates

2004200620082010201220142016201820202022Application filedMay 14, 2003PublishedFeb 16, 2005Patent grantedJuly 18, 2007Term endedMay 14, 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

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