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Expired European patentEurope

Methods and apparatus for controlling a cache memory

EP 1502191 B1 · Applicant: Sony Computer Entertainment Inc.

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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 September 16, 2002 and granted November 5, 2008. A European patent lasts at most 20 years from filing, so its term ended September 16, 2022.
  • 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.
FiledSeptember 16, 2002
PublishedFebruary 2, 2005
GrantedNovember 5, 2008
Term endedSeptember 16, 2022
Application numberEP 02807417
Classification (CPC)G06F12/0888 +2 more

Timeline

Timeline From EPO dates

2003200520072009201120132015201720192021Application filedSep 16, 2002PublishedFeb 2, 2005Patent grantedNov 5, 2008Term endedSep 16, 2022

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.