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Expired European patentEurope

Telephonic voice message store and forward method

EP 0829159 B1 · Applicant: Advanced Systems Technologies Company

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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 May 23, 1996 and granted October 13, 2004. A European patent lasts at most 20 years from filing, so its term ended May 23, 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 November 23, 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.
FiledMay 23, 1996
PublishedMarch 18, 1998
GrantedOctober 13, 2004
Term endedMay 23, 2016
Application numberEP 96921223
Classification (CPC)H04M3/533 +2 more

Timeline

Timeline From EPO dates

1997199920012003200520072009201120132015Application filedMay 23, 1996PublishedMarch 18, 1998Patent grantedOct 13, 2004Term endedMay 23, 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

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