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Expired European patentEurope

Error amplifier with a high common mode rejection

EP 0959560 B1 · Applicant: STMicroelectronics S.r.l.

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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 May 22, 1998 and granted February 2, 2005. A European patent lasts at most 20 years from filing, so its term ended May 22, 2018.
  • 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 22, 2023.
  • 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 22, 1998
PublishedNovember 24, 1999
GrantedFebruary 2, 2005
Term endedMay 22, 2018
Application numberEP 98830318
Classification (CPC)H03F3/45479

Timeline

Timeline From EPO dates

1999200120032005200720092011201320152017Application filedMay 22, 1998PublishedNov 24, 1999Patent grantedFeb 2, 2005Term endedMay 22, 2018

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.