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Expired European patentEurope

Method for checking wire pulse sensors on a rotational transducer for sensor wire short circuit, and circuit arrangement for carrying out the same

EP 0342375 B1 · Applicant: SIEMENS AKTIENGESELLSCHAFT

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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 April 19, 1989 and granted September 25, 1991. A European patent lasts at most 20 years from filing, so its term ended April 19, 2009.
  • 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 October 19, 2014.
  • 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.
FiledApril 19, 1989
PublishedNovember 23, 1989
GrantedSeptember 25, 1991
Term endedApril 19, 2009
Application numberEP 89107030
Classification (CPC)G01D5/24461 +1 more

Timeline

Timeline From EPO dates

1990199219941996199820002002200420062008Application filedApril 19, 1989PublishedNov 23, 1989Patent grantedSep 25, 1991Term endedApril 19, 2009

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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