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Expired European patentEurope

Electron microscope

EP 1598848 B1 · Applicant: TOHOKU UNIVERSITY

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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 20, 2005 and granted January 16, 2008. A European patent lasts at most 20 years from filing, so its term ended May 20, 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.
FiledMay 20, 2005
PublishedNovember 23, 2005
GrantedJanuary 16, 2008
Term endedMay 20, 2025
Application numberEP 05253138
Classification (CPC)H01J37/268

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedMay 20, 2005PublishedNov 23, 2005Patent grantedJan 16, 2008Term endedMay 20, 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.