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EP 0772812 B1 · Applicant: NATIONAL SEMICONDUCTOR 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 May 23, 1996 and granted November 14, 2001. A European patent lasts at most 20 years from filing, so its term ended May 23, 2016.
  • 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 November 23, 2021.
  • 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.
FiledMay 23, 1996
PublishedMay 14, 1997
GrantedNovember 14, 2001
Term endedMay 23, 2016
Application numberEP 96920461
Classification (CPC)G06F7/74

Timeline

Timeline From EPO dates

1997199920012003200520072009201120132015Application filedMay 23, 1996PublishedMay 14, 1997Patent grantedNov 14, 2001Term endedMay 23, 2016

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.