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Expired Canadian patentCanada

High speed remote storage cluster interface controller

CA 2262314 C · Owner: Mak, Pak-Kin · Inventors: Vanhuben, Gary Alan; Blake, Michael A.; Mak, Pak-Kin

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

A remote resource management system for managing resources in a symmetrical multiprocessing comprising a plurality of clusters of symmetric multiprocessors having interfaces between cluster nodes of the symmetric multiprocessor system. each cluster of the system has a local interface and interface controller. There are one or more remote storage controllers each having its local interface controller and a local-to-remote data bus. The remote resource manager manages the interface between two clusters of symmetric multiprocessors each of which clusters has a plurality of processors a shared cache memory, a plurality of I/O adapters and a main memory accessible from the cluster. This remote …

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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 February 22, 1999 and granted August 13, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 22, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 22, 2021.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 22, 1999
GrantedAugust 13, 2002
Term endedFebruary 22, 2019
Patent numberCA 2262314 C
Classification (IPC)G06F15/17 +1 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedFeb 22, 1999Patent grantedAug 13, 2002Term endedFeb 22, 2019

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