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Expired European patentEurope

Band-gap voltage reference with independently trimmable tc and output

EP 0476052 B1 · Applicant: ANALOG DEVICES, INCORPORATED

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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 24, 1990 and granted August 14, 1996. A European patent lasts at most 20 years from filing, so its term ended May 24, 2010.
  • 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 24, 2015.
  • 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 24, 1990
PublishedMarch 25, 1992
GrantedAugust 14, 1996
Term endedMay 24, 2010
Application numberEP 90909943
Classification (CPC)G05F3/30

Timeline

Timeline From EPO dates

1991199319951997199920012003200520072009Application filedMay 24, 1990PublishedMarch 25, 1992Patent grantedAug 14, 1996Term endedMay 24, 2010

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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