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Expired European patentEurope

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EP 0482295 B1 · Applicant: Becker & Hach GmbH & Co. KG

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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 25, 1991 and granted May 12, 1993. A European patent lasts at most 20 years from filing, so its term ended June 25, 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 25, 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 25, 1991
PublishedApril 29, 1992
GrantedMay 12, 1993
Term endedJune 25, 2011
Application numberEP 91110490
Classification (CPC)A47G1/143

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedJune 25, 1991PublishedApril 29, 1992Patent grantedMay 12, 1993Term endedJune 25, 2011

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