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Expired European patentEurope

Differential amplifier with common-mode rejection for low supply voltages

EP 0765543 B1 · Applicant: Philips Electronics N.V.

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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 June 13, 1995 and granted October 17, 2001. A European patent lasts at most 20 years from filing, so its term ended June 13, 2015.
  • 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 December 13, 2020.
  • 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.
FiledJune 13, 1995
PublishedApril 2, 1997
GrantedOctober 17, 2001
Term endedJune 13, 2015
Application numberEP 95919613
Classification (CPC)H03F3/45479

Timeline

Timeline From EPO dates

1996199820002002200420062008201020122014Application filedJune 13, 1995PublishedApril 2, 1997Patent grantedOct 17, 2001Term endedJune 13, 2015

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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