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Expired European patentEurope

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EP 0678232 B1 · Applicant: CERIDIAN CORPORATION

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Overview

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

Read the whole patent

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 September 30, 1992 and granted October 29, 1997. A European patent lasts at most 20 years from filing, so its term ended September 30, 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 March 30, 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.
FiledSeptember 30, 1992
PublishedOctober 25, 1995
GrantedOctober 29, 1997
Term endedSeptember 30, 2012
Application numberEP 92921977
Classification (CPC)H05K13/0092 +2 more

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedSep 30, 1992PublishedOct 25, 1995Patent grantedOct 29, 1997Term endedSep 30, 2012

Sources & verification