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Expired Canadian patentCanada

Multiprocessor intelligent cell for a network which provides sensing, bidirectional communications and control

CA 1306309 C · Owner: Smith, Stephen R. · Inventors: Smith, Stephen R.; Eisenhard, Bruce T.; Sander, Wendell B.

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Abstract From the Canadian patent

A cell for use in a network which provides sensing, communications and control, comprising: input and output means coupled to said network for providing communication with said network; a memory; a processor coupled to said input and output means comprising: at least one arithmetic logic unit (ALU); a plurality of sets of registers, each set including an instruction (1) register and logic means coupled to each of said 1 registers for storing and interpreting instructions stored in said 1 registers; said 1 registers being coupled to said ALU said, sets of registers and said memory; timing means coupled to said sets of registers, ALU and memory for causing signals from any one set of said …

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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 August 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 2009.
  • 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 9, 1988
GrantedAugust 11, 1992
Term endedAugust 11, 2009
Patent numberCA 1306309 C
Classification (IPC)G06F15/16 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedNov 9, 1988Patent grantedAug 11, 1992Term endedAug 11, 2009

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