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Expired European patentEurope

Rotational position detection device

EP 0182322 B1 · Applicant: Kabushiki Kaisha S.G.

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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 16, 1985 and granted May 8, 1991. A European patent lasts at most 20 years from filing, so its term ended November 16, 2005.
  • 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 16, 2011.
  • 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 16, 1985
PublishedMay 28, 1986
GrantedMay 8, 1991
Term endedNovember 16, 2005
Application numberEP 85114579
Classification (CPC)H02K29/12 +1 more

Timeline

Timeline From EPO dates

1986198819901992199419961998200020022004Application filedNov 16, 1985PublishedMay 28, 1986Patent grantedMay 8, 1991Term endedNov 16, 2005

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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