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EP 0557604 B1 · Applicant: HEINRICH AMELUNG GmbH

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Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

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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 December 10, 1992 and granted May 24, 1995. A European patent lasts at most 20 years from filing, so its term ended December 10, 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 June 10, 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.
FiledDecember 10, 1992
PublishedSeptember 1, 1993
GrantedMay 24, 1995
Term endedDecember 10, 2012
Application numberEP 92121025
Classification (CPC)B01L9/00 +1 more

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedDec 10, 1992PublishedSep 1, 1993Patent grantedMay 24, 1995Term endedDec 10, 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.