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Expired European patentEurope

Pitch detection and intonation correction apparatus and method

EP 1027697 B1 · Applicant: Auburn Audio Technologies, Inc.

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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 October 20, 1998 and granted May 14, 2003. A European patent lasts at most 20 years from filing, so its term ended October 20, 2018.
  • 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 April 20, 2024.
  • 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.
FiledOctober 20, 1998
PublishedAugust 16, 2000
GrantedMay 14, 2003
Term endedOctober 20, 2018
Application numberEP 98953779
Classification (CPC)G10H7/002 +2 more

Timeline

Timeline From EPO dates

1999200120032005200720092011201320152017Application filedOct 20, 1998PublishedAug 16, 2000Patent grantedMay 14, 2003Term endedOct 20, 2018

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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