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Canadian application, no grantCanada

Method and apparatus for providing support for multiple qos levels within a third generation packet data session

CA 2303467 A1 · Owner: Nortel Networks Limited · Inventors: Wang, Chung Ching; Manning, Serge; Sen, Sanjoy

CIPO record

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Abstract From the Canadian patent

A classification application utilizing a table of connection numbers and associated TCP/IP applications is utilized for determining a wireless packet communication quality of service level by decoding a connection number field of the compressed packet header. Packets carrying different connection numbers can be mapped to different Quality of Service planes. When a non-active TCP connection becomes active, the classification application detects and identifies the connection by reading the connection number field of a compressed TCP/IP header in a packet of the application. The classification application applies the appropriate Quality of Service level as determined from a user database and a …

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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 March 30, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 30, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 30, 2022.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 30, 2000
GrantedNo grant recorded
Term endedMarch 30, 2020
Patent numberCA 2303467 A1
Classification (IPC)H04L47/10 +1 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedMarch 30, 2000Term endedMarch 30, 2020

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