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Expired European patentEurope

Arrangement and method of measuring the speed of memory unit in an integrated circuit

EP 0825614 B1 · Applicant: NEC CORPORATION

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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 August 18, 1997 and granted May 21, 2003. A European patent lasts at most 20 years from filing, so its term ended August 18, 2017.
  • 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 February 18, 2023.
  • 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.
FiledAugust 18, 1997
PublishedFebruary 25, 1998
GrantedMay 21, 2003
Term endedAugust 18, 2017
Application numberEP 97114205
Classification (CPC)G11C29/50 +1 more

Timeline

Timeline From EPO dates

1998200020022004200620082010201220142016Application filedAug 18, 1997PublishedFeb 25, 1998Patent grantedMay 21, 2003Term endedAug 18, 2017

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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