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EP 0486664 B1 · Applicant: Mannesmann Kienzle 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.

Why it's free to use

  • Filed June 7, 1991 and granted August 16, 1995. A European patent lasts at most 20 years from filing, so its term ended June 7, 2011.
  • 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 December 7, 2016.
  • 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.
FiledJune 7, 1991
PublishedMay 27, 1992
GrantedAugust 16, 1995
Term endedJune 7, 2011
Application numberEP 91911458
Classification (CPC)G09F9/00 +1 more

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedJune 7, 1991PublishedMay 27, 1992Patent grantedAug 16, 1995Term endedJune 7, 2011

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