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Expired European patentEurope

Visual frame buffer architecture

EP 0656142 B1 · Applicant: Intel Corporation

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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 March 24, 1993 and granted June 16, 1999. A European patent lasts at most 20 years from filing, so its term ended March 24, 2013.
  • 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 September 24, 2018.
  • 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.
FiledMarch 24, 1993
PublishedJune 7, 1995
GrantedJune 16, 1999
Term endedMarch 24, 2013
Application numberEP 93912078
Classification (CPC)G09G5/363 +2 more

Timeline

Timeline From EPO dates

1994199619982000200220042006200820102012Application filedMarch 24, 1993PublishedJune 7, 1995Patent grantedJune 16, 1999Term endedMarch 24, 2013

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.