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Expired European patentEurope

Process for producing integrated active-matrix liquid crystal displays

EP 0700533 B1 · Applicant: Daimler-Benz Aktiengesellschaft

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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.

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Why it's free to use

  • Filed May 26, 1994 and granted February 18, 1998. A European patent lasts at most 20 years from filing, so its term ended May 26, 2014.
  • 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 26, 2019.
  • 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 26, 1994
PublishedMarch 13, 1996
GrantedFebruary 18, 1998
Term endedMay 26, 2014
Application numberEP 94918796
Classification (CPC)G02F1/13454

Timeline

Timeline From EPO dates

1995199719992001200320052007200920112013Application filedMay 26, 1994PublishedMarch 13, 1996Patent grantedFeb 18, 1998Term endedMay 26, 2014

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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