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Expired European patentEurope

Improved memory management for real-time applications

EP 1581873 B1 · Applicant: International Business Machines 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 November 21, 2003 and granted March 26, 2008. A European patent lasts at most 20 years from filing, so its term ended November 21, 2023.
  • 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 21, 2003
PublishedOctober 5, 2005
GrantedMarch 26, 2008
Term endedNovember 21, 2023
Application numberEP 03812611
Classification (CPC)G06F12/1027 +1 more

Timeline

Timeline From EPO dates

2004200620082010201220142016201820202022Application filedNov 21, 2003PublishedOct 5, 2005Patent grantedMarch 26, 2008Term endedNov 21, 2023

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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