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Expired European patentEurope

Method for compensating for transfer characteristics of a printing system in a halftone screening process

EP 0673151 B1 · Applicant: ADOBE SYSTEMS INC.

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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 1, 1995 and granted August 9, 2000. A European patent lasts at most 20 years from filing, so its term ended February 1, 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 1, 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 1, 1995
PublishedSeptember 20, 1995
GrantedAugust 9, 2000
Term endedFebruary 1, 2015
Application numberEP 95300637
Classification (CPC)H04N1/4051

Timeline

Timeline From EPO dates

1996199820002002200420062008201020122014Application filedFeb 1, 1995PublishedSep 20, 1995Patent grantedAug 9, 2000Term endedFeb 1, 2015

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