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Expired European patentEurope

Signal-processing circuit for an inductive sensor

EP 0658980 B1 · Applicant: ROBERT BOSCH GMBH

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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 November 15, 1994 and granted June 24, 1998. A European patent lasts at most 20 years from filing, so its term ended November 15, 2014.
  • 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 May 15, 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.
FiledNovember 15, 1994
PublishedJune 21, 1995
GrantedJune 24, 1998
Term endedNovember 15, 2014
Application numberEP 94117964
Classification (CPC)H03K17/952

Timeline

Timeline From EPO dates

1995199719992001200320052007200920112013Application filedNov 15, 1994PublishedJune 21, 1995Patent grantedJune 24, 1998Term endedNov 15, 2014

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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