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Expired European patentEurope

Z-pinch soft x-ray source using diluent gas

EP 1072174 B1 · Applicant: Plex LLC

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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.

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Why it's free to use

  • Filed March 9, 1999 and granted November 13, 2002. A European patent lasts at most 20 years from filing, so its term ended March 9, 2019.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by September 9, 2024.
  • 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.
FiledMarch 9, 1999
PublishedJanuary 31, 2001
GrantedNovember 13, 2002
Term endedMarch 9, 2019
Application numberEP 99909927
Classification (CPC)H05G2/007

Timeline

Timeline From EPO dates

2000200220042006200820102012201420162018Application filedMarch 9, 1999PublishedJan 31, 2001Patent grantedNov 13, 2002Term endedMarch 9, 2019

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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