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Expired European patentEurope

Memory circuit

EP 0961283 B1 · Applicant: FUJITSU LIMITED

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Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

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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 15, 1999 and granted April 27, 2005. A European patent lasts at most 20 years from filing, so its term ended February 15, 2019.
  • 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 15, 2024.
  • 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 15, 1999
PublishedDecember 1, 1999
GrantedApril 27, 2005
Term endedFebruary 15, 2019
Application numberEP 99301063
Classification (CPC)G11C7/1015 +2 more

Timeline

Timeline From EPO dates

2000200220042006200820102012201420162018Application filedFeb 15, 1999PublishedDec 1, 1999Patent grantedApril 27, 2005Term endedFeb 15, 2019

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.