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Expired European patentEurope

Data transfer apparatus for use with a flexible magnetic disk or the like

EP 0133232 B1 · Applicant: TEAC CORPORATION

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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 July 12, 1984 and granted October 28, 1987. A European patent lasts at most 20 years from filing, so its term ended July 12, 2004.
  • 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 January 12, 2010.
  • 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.
FiledJuly 12, 1984
PublishedFebruary 20, 1985
GrantedOctober 28, 1987
Term endedJuly 12, 2004
Application numberEP 84108221
Classification (CPC)G11B19/00 +2 more

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedJuly 12, 1984PublishedFeb 20, 1985Patent grantedOct 28, 1987Term endedJuly 12, 2004

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.