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Expired European patentEurope

Preparation of sampled values of a time-variable signal in a data processing arrangement

EP 0161335 B1 · Applicant: SIEMENS AKTIENGESELLSCHAFT

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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 December 5, 1984 and granted May 6, 1992. A European patent lasts at most 20 years from filing, so its term ended December 5, 2004.
  • 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 June 5, 2010.
  • 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.
FiledDecember 5, 1984
PublishedNovember 21, 1985
GrantedMay 6, 1992
Term endedDecember 5, 2004
Application numberEP 84114787
Classification (CPC)G06F3/05

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedDec 5, 1984PublishedNov 21, 1985Patent grantedMay 6, 1992Term endedDec 5, 2004

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

Cross-check elsewhere

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