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Canadian application, no grantCanada

Flow control in asynchronous networks

CA 2201813 A1 · Owner: Davis, Tom · Inventors: Pezeshki-Esfahani, Hossain; Davis, Tom

CIPO record

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

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Abstract From the Canadian patent

In a method of controlling the flow of cells in an asynchronous network cell flow, in upstream and downstream portions of a virtual connection is controlled by respective upstream and downstream control loops employing resource management (RM) cells. The degree of backward coupling between the two control loops is adjusted to optimize network stability and response time by filtering the downstream Backward Explicit Rate or monitoring the degree of congestion at the boundary between the control loops.

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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 April 4, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 4, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 4, 2019.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 4, 1997
GrantedNo grant recorded
Term endedApril 4, 2017
Patent numberCA 2201813 A1
Classification (IPC)H04L12/82

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedApril 4, 1997Term endedApril 4, 2017

Sources & verification

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