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EP 0506263 B1 · Applicant: YAMAICHI ELECTRONICS CO., LTD.

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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 March 13, 1992 and granted July 12, 1995. A European patent lasts at most 20 years from filing, so its term ended March 13, 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 September 13, 2017.
  • 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.
FiledMarch 13, 1992
PublishedSeptember 30, 1992
GrantedJuly 12, 1995
Term endedMarch 13, 2012
Application numberEP 92302173
Classification (CPC)H05K7/1023

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedMarch 13, 1992PublishedSep 30, 1992Patent grantedJuly 12, 1995Term endedMarch 13, 2012

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