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Expired European patentEurope

Slow-motion device of magnetic recording and reproducing apparatus

EP 0200203 B1 · Applicant: HITACHI, LTD.

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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 April 29, 1986 and granted July 4, 1990. A European patent lasts at most 20 years from filing, so its term ended April 29, 2006.
  • 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 October 29, 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.
FiledApril 29, 1986
PublishedNovember 5, 1986
GrantedJuly 4, 1990
Term endedApril 29, 2006
Application numberEP 86105892
Classification (CPC)G11B15/1875

Timeline

Timeline From EPO dates

1987198919911993199519971999200120032005Application filedApril 29, 1986PublishedNov 5, 1986Patent grantedJuly 4, 1990Term endedApril 29, 2006

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.