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Expired European patentEurope

Method of producing an integrated circuit with medium voltage MOS transistors

EP 0321366 B1 · Applicant: SGS-THOMSON MICROELECTRONICS S.A.

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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 14, 1988 and granted November 10, 1993. A European patent lasts at most 20 years from filing, so its term ended December 14, 2008.
  • 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 14, 2014.
  • 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 14, 1988
PublishedJune 21, 1989
GrantedNovember 10, 1993
Term endedDecember 14, 2008
Application numberEP 88420417
Classification (CPC)H10W10/13 +2 more

Timeline

Timeline From EPO dates

1989199119931995199719992001200320052007Application filedDec 14, 1988PublishedJune 21, 1989Patent grantedNov 10, 1993Term endedDec 14, 2008

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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