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Expired European patentEurope

Apparatus and method for performing a calculation operation

EP 1858159 B1 · Applicant: CAMCO Produktions- und Vertriebs GmbH

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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 May 19, 2006 and granted September 21, 2011. A European patent lasts at most 20 years from filing, so its term ended May 19, 2026.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • 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.
FiledMay 19, 2006
PublishedNovember 21, 2007
GrantedSeptember 21, 2011
Term endedMay 19, 2026
Application numberEP 06114227
Classification (CPC)H03F3/217

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedMay 19, 2006PublishedNov 21, 2007Patent grantedSep 21, 2011Term endedMay 19, 2026

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

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Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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