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Expired European patentEurope

Method for detecting short circuits between conductors for railway switches

EP 1607301 B1 · Applicant: ALCATEL

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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 June 10, 2004 and granted May 3, 2006. A European patent lasts at most 20 years from filing, so its term ended June 10, 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.
FiledJune 10, 2004
PublishedDecember 21, 2005
GrantedMay 3, 2006
Term endedJune 10, 2024
Application numberEP 04291462
Classification (CPC)B61L7/068

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedJune 10, 2004PublishedDec 21, 2005Patent grantedMay 3, 2006Term endedJune 10, 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

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