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Expired European patentEurope

Analysis of auscultatory sounds using singular value decomposition

EP 1677680 B1 · Applicant: 3M Innovative Properties Company

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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 19, 2004 and granted April 10, 2013. A European patent lasts at most 20 years from filing, so its term ended October 19, 2024.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • 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 19, 2004
PublishedJuly 12, 2006
GrantedApril 10, 2013
Term endedOctober 19, 2024
Application numberEP 04795688
Classification (CPC)A61B7/00 +1 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedOct 19, 2004PublishedJuly 12, 2006Patent grantedApril 10, 2013Term endedOct 19, 2024

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

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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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