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Expired European patentEurope

Apparatus for generating digital timing waveforms

EP 0168232 B1 · Applicant: ADVANCED MICRO DEVICES, INC.

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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 July 8, 1985 and granted November 21, 1991. A European patent lasts at most 20 years from filing, so its term ended July 8, 2005.
  • 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 January 8, 2011.
  • 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.
FiledJuly 8, 1985
PublishedJanuary 15, 1986
GrantedNovember 21, 1991
Term endedJuly 8, 2005
Application numberEP 85304842
Classification (CPC)G06F1/04

Timeline

Timeline From EPO dates

1986198819901992199419961998200020022004Application filedJuly 8, 1985PublishedJan 15, 1986Patent grantedNov 21, 1991Term endedJuly 8, 2005

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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