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Expired European patentEurope

Programmable architecture for field programmable gate array device

EP 0683565 B1 · Applicant: ACTEL CORPORATION

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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 18, 1995 and granted February 17, 1999. A European patent lasts at most 20 years from filing, so its term ended May 18, 2015.
  • 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 18, 2020.
  • 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 18, 1995
PublishedNovember 22, 1995
GrantedFebruary 17, 1999
Term endedMay 18, 2015
Application numberEP 95303345
Classification (CPC)H03K19/177 +2 more

Timeline

Timeline From EPO dates

1996199820002002200420062008201020122014Application filedMay 18, 1995PublishedNov 22, 1995Patent grantedFeb 17, 1999Term endedMay 18, 2015

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