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Expired European patentEurope

Method and system for securely storing and transmitting data by applying a one-time pad

EP 1732259 B1 · Applicant: Cisco Technology, Inc.

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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 29, 2003 and granted June 25, 2008. A European patent lasts at most 20 years from filing, so its term ended January 29, 2023.
  • 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.
FiledJanuary 29, 2003
PublishedDecember 13, 2006
GrantedJune 25, 2008
Term endedJanuary 29, 2023
Application numberEP 06017476
Classification (CPC)H04L63/18 +2 more

Timeline

Timeline From EPO dates

2004200620082010201220142016201820202022Application filedJan 29, 2003PublishedDec 13, 2006Patent grantedJune 25, 2008Term endedJan 29, 2023

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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