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Expired European patentEurope

Method and measuring device for determining the transient impedance between two partial electrodes of a divided neutral electrode

EP 1753356 B1 · Applicant: Erbe Elektromedizin GmbH

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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 May 20, 2005 and granted July 15, 2009. A European patent lasts at most 20 years from filing, so its term ended May 20, 2025.
  • 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.
FiledMay 20, 2005
PublishedFebruary 21, 2007
GrantedJuly 15, 2009
Term endedMay 20, 2025
Application numberEP 05746317
Classification (CPC)A61B18/16

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedMay 20, 2005PublishedFeb 21, 2007Patent grantedJuly 15, 2009Term endedMay 20, 2025

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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