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Expired European patentEurope

Write circuitry for a synchronous ram

EP 1154435 B1 · Applicant: Xilinx, 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 February 9, 1996 and granted August 26, 2015. A European patent lasts at most 20 years from filing, so its term ended February 9, 2016.
  • 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 August 9, 2021.
  • 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.
FiledFebruary 9, 1996
PublishedNovember 14, 2001
GrantedAugust 26, 2015
Term endedFebruary 9, 2016
Application numberEP 01120245
Classification (CPC)G11C8/00 +2 more

Timeline

Timeline From EPO dates

1997199920012003200520072009201120132015Application filedFeb 9, 1996PublishedNov 14, 2001Patent grantedAug 26, 2015Term endedFeb 9, 2016

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.