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Expired Canadian patentCanada

Multiple level minimum logic network

CA 2227271 C · Owner: Reed, Coke S. · Inventors: Reed, Coke S.

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

A network or interconnect structure utilizes a data flow technique that is based on timing and positioning of messages communicating through the interconnect structure. Switching control is distributed throughout multiple nodes in the structure so that a supervisory controller providing a global control function and complex logic structures are avoided. The interconnect structure operates as a "deflection" or "hot potato" system in which processing and storage overhead at each node is minimized. Elimination of a global controller and buffering at the nodes greatly reduces the amount of control and logic structures in the interconnect structure simplifying , overall control …

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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 July 19, 1996 and granted December 31, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 19, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 19, 2018.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 19, 1996
GrantedDecember 31, 2002
Term endedJuly 19, 2016
Patent numberCA 2227271 C
Classification (IPC)G06F15/17 +1 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedJuly 19, 1996Patent grantedDec 31, 2002Term endedJuly 19, 2016

Sources & verification

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