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Expired European patentEurope

A reference circuit having a controlled temperature dependence

EP 0698236 B1 · Applicant: Koninklijke Philips Electronics N.V.

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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 February 14, 1995 and granted May 10, 2000. A European patent lasts at most 20 years from filing, so its term ended February 14, 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 August 14, 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.
FiledFebruary 14, 1995
PublishedFebruary 28, 1996
GrantedMay 10, 2000
Term endedFebruary 14, 2015
Application numberEP 95907124
Classification (CPC)G05F3/245

Timeline

Timeline From EPO dates

1996199820002002200420062008201020122014Application filedFeb 14, 1995PublishedFeb 28, 1996Patent grantedMay 10, 2000Term endedFeb 14, 2015

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