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Expired European patentEurope

Static memory cell design

EP 0548675 B1 · Applicant: TEXAS INSTRUMENTS INCORPORATED

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Overview

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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 December 9, 1992 and granted May 10, 2000. A European patent lasts at most 20 years from filing, so its term ended December 9, 2012.
  • 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 June 9, 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.
FiledDecember 9, 1992
PublishedJune 30, 1993
GrantedMay 10, 2000
Term endedDecember 9, 2012
Application numberEP 92120985
Classification (CPC)H10B10/00

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedDec 9, 1992PublishedJune 30, 1993Patent grantedMay 10, 2000Term endedDec 9, 2012

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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