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Expired European patentEurope

Programmable digital delay unit

EP 0703663 B1 · Applicant: SGS-THOMSON MICROELECTRONICS S.r.l.

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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 September 21, 1994 and granted December 29, 1997. A European patent lasts at most 20 years from filing, so its term ended September 21, 2014.
  • 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 March 21, 2020.
  • 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.
FiledSeptember 21, 1994
PublishedMarch 27, 1996
GrantedDecember 29, 1997
Term endedSeptember 21, 2014
Application numberEP 94830445
Classification (CPC)H03K5/131 +1 more

Timeline

Timeline From EPO dates

1995199719992001200320052007200920112013Application filedSep 21, 1994PublishedMarch 27, 1996Patent grantedDec 29, 1997Term endedSep 21, 2014

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

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