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Expired European patentEurope

Method and communication system for processing alarms using a management network involving several layers of management

EP 1050170 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 December 28, 1998 and granted October 26, 2005. A European patent lasts at most 20 years from filing, so its term ended December 28, 2018.
  • 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 June 28, 2024.
  • 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.
FiledDecember 28, 1998
PublishedNovember 8, 2000
GrantedOctober 26, 2005
Term endedDecember 28, 2018
Application numberEP 98966813
Classification (CPC)H04L41/06 +2 more

Timeline

Timeline From EPO dates

1999200120032005200720092011201320152017Application filedDec 28, 1998PublishedNov 8, 2000Patent grantedOct 26, 2005Term endedDec 28, 2018

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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