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Expired Canadian patentCanada

Process traps in a distributed message-based operating system

CA 1292078 C · Owner: Simor, Gabor · Inventors: Simor, Gabor

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

Process Traps in a Distributed Message-Based System ABSTRACT, A distributed data processing system is provided ccmprising a plurality of proesses which communicate with one another using messages. When a process is created or terminated anywhere in the system a notification message may be requested. Such requests may be made regarding different organizational levels of the system for, example the entire system , one node or a group of related processes.

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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

  • Granted November 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 27, 1987
GrantedNovember 12, 1991
Term endedNovember 12, 2008
Patent numberCA 1292078 C
Classification (IPC)G06F9/46 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedOct 27, 1987Patent grantedNov 12, 1991Term endedNov 12, 2008

Sources & verification

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