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Expired Canadian patentCanada

State-based memory unloading

CA 2546128 C · Owner: Cisco Technology, Inc. · Inventors: Stalker, Altan J.

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

A system is described for managing memory the system including, among other , things a memory with logic and a processor configured with the logic to receive an indication of an application state from a plurality of applications in memory and determine which of the plurality of applications to effect removal from the memory based on the received indication.

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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 12, 2004 and granted April 17, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 12, 2024.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • 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 12, 2004
GrantedApril 17, 2012
Term endedNovember 12, 2024
Patent numberCA 2546128 C
Classification (IPC)H04N21/43 +1 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedNov 12, 2004Patent grantedApril 17, 2012Term endedNov 12, 2024

Sources & verification

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