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Expired European patentEurope

Electromechanical transducer and electrical device

EP 1665527 B1 · Applicant: Koninklijke Philips Electronics N.V.

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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 August 23, 2004 and granted May 18, 2011. A European patent lasts at most 20 years from filing, so its term ended August 23, 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.
FiledAugust 23, 2004
PublishedJune 7, 2006
GrantedMay 18, 2011
Term endedAugust 23, 2024
Application numberEP 04744810
Classification (CPC)H03H9/2405 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedAug 23, 2004PublishedJune 7, 2006Patent grantedMay 18, 2011Term endedAug 23, 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

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.