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Expired European patentEurope

Device for exchanging printing plates

EP 0531748 B1 · Applicant: Heidelberger Druckmaschinen Aktiengesellschaft

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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.

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Why it's free to use

  • Filed August 17, 1992 and granted June 14, 1995. A European patent lasts at most 20 years from filing, so its term ended August 17, 2012.
  • 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 February 17, 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.
FiledAugust 17, 1992
PublishedMarch 17, 1993
GrantedJune 14, 1995
Term endedAugust 17, 2012
Application numberEP 92113998
Classification (CPC)B41F27/1206

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedAug 17, 1992PublishedMarch 17, 1993Patent grantedJune 14, 1995Term endedAug 17, 2012

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.