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Expired European patentEurope

Lithographic printing plate according to the silver salt diffusion transfer process

EP 0556885 B1 · Applicant: AGFA-GEVAERT naamloze vennootschap

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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 January 27, 1993 and granted October 4, 1995. A European patent lasts at most 20 years from filing, so its term ended January 27, 2013.
  • 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 July 27, 2018.
  • 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.
FiledJanuary 27, 1993
PublishedAugust 25, 1993
GrantedOctober 4, 1995
Term endedJanuary 27, 2013
Application numberEP 93200207
Classification (CPC)G03F7/07

Timeline

Timeline From EPO dates

1994199619982000200220042006200820102012Application filedJan 27, 1993PublishedAug 25, 1993Patent grantedOct 4, 1995Term endedJan 27, 2013

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