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Canadian application, no grantCanada

Flexible threshold based buffering system for use in digital communication devices

CA 2253729 A1 · Owner: Alcatel Canada Inc. · Inventors: Ho, Esmond; Ganti, Sudhakar; Kostic, Predrag

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

The method and system for buffering packets such as ATM cells at a queueing point, of a device which employs a connection-orientated communications protocol includes the, steps of logically partitioning a memory into plural reserved buffer spaces allocated to traffic, classes and a shared buffer space available to any connection; determining whether to store, or discard a given packet based on predetermined discard criteria; and filling the reserved, buffer space to a predetermined state of congestion before storing the given packet in the, shared buffer space. Reserved buffer space congestion states are defined with respect to, individual connections, groups of connections and 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 November 10, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 10, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 10, 2020.
  • 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 10, 1998
GrantedNo grant recorded
Term endedNovember 10, 2018
Patent numberCA 2253729 A1
Classification (IPC)H04L47/24 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedNov 10, 1998Term endedNov 10, 2018

Sources & verification

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