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Canadian application, no grantCanada

Systems and methods of message queuing

CA 2389530 A1 · Owner: Inada, Nathan K. · Inventors: Demetriades, Alexander; Inada, Nathan K.; Berkman, Peter C.

CIPO record

Overview

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

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Abstract From the Canadian patent

An intelligent queue may be used to facilitate communication among a set of business application programs. In one embodiment the intelligent queue may , interact with a variety of business application programs providing consistent service behaviors across a variety of data store products. The intelligent queue provides extended message storage efficient journalling, interoperability with other intelligent queues load balancing, once-only , processing as well as detailed message state information that tracks the status of each message from both the sender and the recipient's perspective.

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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 1, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 1, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 1, 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.
FiledNovember 1, 2000
GrantedNo grant recorded
Term endedNovember 1, 2020
Patent numberCA 2389530 A1
Classification (IPC)H04L12/16 +2 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedNov 1, 2000Term endedNov 1, 2020

Sources & verification

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