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Expired Canadian patentCanada

Method and apparatus for multiplexing data packets

CA 2586837 C · Owner: Baker, Matthew P. J. · Inventors: Bucknell, Paul; Moulsley, Timothy J.; Baker, Matthew P. J.

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

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Abstract From the Canadian patent

Data packets having different assigned priorities are multiplexed by operating a queue for each different priority of data packet and assembling groups (80) of the data packets for transmission. Each group has two portions. A first portion (90) of the group is populated with data packets selected from one or more of the queues according to a first rule and a second portion (95) of the group is populated with data packets selected from one or more of the queues according to a second rule. Preferably the first portion contains data packets having the highest priority, and the second portion contains a selection of the data packets having a lower a priority. Selection of data packets …

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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 November 4, 2005 and granted January 6, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 4, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 4, 2005
GrantedJanuary 6, 2015
Term endedNovember 4, 2025
Patent numberCA 2586837 C
Classification (IPC)H04L47/50 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedNov 4, 2005Patent grantedJan 6, 2015Term endedNov 4, 2025

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