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Canadian application, no grantCanada

Method and apparatus for discovering computers for storing fragments of files in a computer network

CA 2511298 A1 · Owner: British Telecommunications Public Limited Company · Inventors: Mckee, Paul Francis; Robertson, Derrick Diarmuid

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The discovery process comprises the device (10) generating messages (112 120 , 126) which together have the purpose of identifying a predetermined number of devices which satisfy a test condition included in each message. These messages are sent respectively to the on-line devices (12 20, 26) , neighbouring device (10). To ensure that no more devices than necessary are identified by the messages, each message includes a variable which is referred to as a token bucket which indicates the number of devices to be discovered by the message. Additionally, each message includes a unique identifier. When a device (12, 20 26) receives a discovery message sent from another device it , …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed December 11, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 11, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 11, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 11, 2003
GrantedNo grant recorded
Term endedDecember 11, 2023
Patent numberCA 2511298 A1
Classification (IPC)G06F17/30

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedDec 11, 2003Term endedDec 11, 2023

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.