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Matrix of integrated Schottky diode memory elements on polycrystalline silicon, and production method

EP 0084475 A2 · Applicant: THOMSON-CSF

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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 January 7, 1983 and never granted as a European patent. Had it been granted, its 20-year term would have ended January 7, 2003.
  • 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 July 7, 2008.
  • 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.
FiledJanuary 7, 1983
PublishedJuly 27, 1983
GrantedNever granted
Term endedJanuary 7, 2003
Application numberEP 83400037
Classification (CPC)G11C17/06 +1 more

Timeline

Timeline From EPO dates

1984198619881990199219941996199820002002Application filedJan 7, 1983PublishedJuly 27, 1983Term endedJan 7, 2003

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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