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Expired European patentEurope

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EP 0489926 B1 · Applicant: FUJITSU ISOTEC LIMITED

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Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

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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 June 26, 1991 and granted May 10, 1995. A European patent lasts at most 20 years from filing, so its term ended June 26, 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 December 26, 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.
FiledJune 26, 1991
PublishedJune 17, 1992
GrantedMay 10, 1995
Term endedJune 26, 2011
Application numberEP 91911945
Classification (CPC)B41J3/36

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedJune 26, 1991PublishedJune 17, 1992Patent grantedMay 10, 1995Term endedJune 26, 2011

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