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Canadian application, no grantCanada

Method for improving system availability after the failure of processors in a processor platform

CA 2319214 A1 · Owner: Siemens Aktiengesellschaft · Inventors: Karzel, Herbert; Popovic-Berrsche, Branko; Kader, Hans

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

When tasks are processed in a processor platform the processing procedure is , distributed over a logical chain of several processors of said processor platform. When one of the processors fails the data is lost and the entire , chain is left blocked for a considerable period. According to the inventive method, this problem is solved by forming another chain in which significant status-related data is transferred to the following processor. When restarted the processor which failed can then reload said data and resume the status that it had before the failure.

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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 January 19, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 19, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 19, 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.
FiledJanuary 19, 1999
GrantedNo grant recorded
Term endedJanuary 19, 2019
Patent numberCA 2319214 A1
Classification (IPC)G06F11/14

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedJan 19, 1999Term endedJan 19, 2019

Sources & verification

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