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Expired European patentEurope

Wireless hazard signalling system and method

EP 0834846 B1 · Applicant: Goddard, Peter John

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Overview

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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 January 18, 1996 and granted January 23, 2002. A European patent lasts at most 20 years from filing, so its term ended January 18, 2016.
  • 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 July 18, 2021.
  • 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.
FiledJanuary 18, 1996
PublishedApril 8, 1998
GrantedJanuary 23, 2002
Term endedJanuary 18, 2016
Application numberEP 97122284
Classification (CPC)G08B29/16 +2 more

Timeline

Timeline From EPO dates

1997199920012003200520072009201120132015Application filedJan 18, 1996PublishedApril 8, 1998Patent grantedJan 23, 2002Term endedJan 18, 2016

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.