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Expired European patentEurope

Electronic trip device with improved long-time-delay

EP 0465384 B1 · Applicant: SCHNEIDER ELECTRIC SA

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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 June 25, 1991 and granted October 25, 1995. A European patent lasts at most 20 years from filing, so its term ended June 25, 2011.
  • 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 25, 2016.
  • 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 25, 1991
PublishedJanuary 8, 1992
GrantedOctober 25, 1995
Term endedJune 25, 2011
Application numberEP 91420209
Classification (CPC)H02H3/0935

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedJune 25, 1991PublishedJan 8, 1992Patent grantedOct 25, 1995Term endedJune 25, 2011

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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