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Expired European patentEurope

Nrom flash memory devices on ultrathin silicon

EP 1692728 B1 · Applicant: Micron Technology, Inc.

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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 November 16, 2004 and granted November 4, 2015. A European patent lasts at most 20 years from filing, so its term ended November 16, 2024.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • 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.
FiledNovember 16, 2004
PublishedAugust 23, 2006
GrantedNovember 4, 2015
Term endedNovember 16, 2024
Application numberEP 04811109
Classification (CPC)H10D64/691 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedNov 16, 2004PublishedAug 23, 2006Patent grantedNov 4, 2015Term endedNov 16, 2024

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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