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Expired European patentEurope

Isolation trenches for memory devices

EP 1774586 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 June 22, 2005 and granted August 7, 2019. A European patent lasts at most 20 years from filing, so its term ended June 22, 2025.
  • 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.
FiledJune 22, 2005
PublishedApril 18, 2007
GrantedAugust 7, 2019
Term endedJune 22, 2025
Application numberEP 05766678
Classification (CPC)H10W10/0145 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedJune 22, 2005PublishedApril 18, 2007Patent grantedAug 7, 2019Term endedJune 22, 2025

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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