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Expired European patentEurope

System and method for suppressing redundant alarms

EP 1769475 B1 · Applicant: ABB Research Ltd.

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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 28, 2004 and granted May 5, 2010. A European patent lasts at most 20 years from filing, so its term ended June 28, 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 28, 2004
PublishedApril 4, 2007
GrantedMay 5, 2010
Term endedJune 28, 2024
Application numberEP 04738044
Classification (CPC)H04L41/065 +1 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedJune 28, 2004PublishedApril 4, 2007Patent grantedMay 5, 2010Term endedJune 28, 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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