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Expired Canadian patentCanada

Wireless channel allocation in a base station processor

CA 2408238 C · Owner: Ipr Licensing, Inc. · Inventors: Farley, Kevin L.; Proctor, James A. Jr.

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Abstract From the Canadian patent

A system and method are provided for allocating wireless channels in a base station processor to messages sent between a subscriber and the base station processor in a wireless network. A latency period is determined corresponding to a return message to be received from a responsive node in response to an outgoing message sent from a sender via the base station processor. A latency manager in the base station processor computes the latency period and stores the latency period in an allocation table. A scheduler schedules a channel in , advance of the receipt of the return message to be available at the end of , the latency period indicated in the allocation table. At approximately the …

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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 May 4, 2001 and granted February 8, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 4, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 4, 2023.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 4, 2001
GrantedFebruary 8, 2011
Term endedMay 4, 2021
Patent numberCA 2408238 C
Classification (IPC)H04W72/04 +1 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedMay 4, 2001Patent grantedFeb 8, 2011Term endedMay 4, 2021

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