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Expired European patentEurope

Analogue signal sampling circuit

EP 0513124 B1 · Applicant: THOMSON-CSF SEMICONDUCTEURS SPECIFIQUES

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Overview

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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 January 25, 1991 and granted March 16, 1994. A European patent lasts at most 20 years from filing, so its term ended January 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 July 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.
FiledJanuary 25, 1991
PublishedNovember 19, 1992
GrantedMarch 16, 1994
Term endedJanuary 25, 2011
Application numberEP 91903535
Classification (CPC)G11C27/024 +1 more

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedJan 25, 1991PublishedNov 19, 1992Patent grantedMarch 16, 1994Term endedJan 25, 2011

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

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.