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Expired European patentEurope

Ion buncher

EP 0456516 B1 · Applicant: KRATOS ANALYTICAL LIMITED

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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.

Why it's free to use

  • Filed May 10, 1991 and granted August 21, 1996. A European patent lasts at most 20 years from filing, so its term ended May 10, 2011.
  • 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 November 10, 2016.
  • 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 10, 1991
PublishedNovember 13, 1991
GrantedAugust 21, 1996
Term endedMay 10, 2011
Application numberEP 91304250
Classification (CPC)H01J49/40

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedMay 10, 1991PublishedNov 13, 1991Patent grantedAug 21, 1996Term endedMay 10, 2011

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