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Expired European patentEurope

Musical tone-generating method and musical tone-generating apparatus

EP 1011091 B1 · Applicant: YAMAHA 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 September 27, 1996 and granted April 28, 2004. A European patent lasts at most 20 years from filing, so its term ended September 27, 2016.
  • 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 March 27, 2022.
  • 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.
FiledSeptember 27, 1996
PublishedJune 21, 2000
GrantedApril 28, 2004
Term endedSeptember 27, 2016
Application numberEP 00103423
Classification (CPC)G10H7/006

Timeline

Timeline From EPO dates

1997199920012003200520072009201120132015Application filedSep 27, 1996PublishedJune 21, 2000Patent grantedApril 28, 2004Term endedSep 27, 2016

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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