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Expired Canadian patentCanada

Interconnection networks

CA 1323447 C · Owner: United States Of America (Government Of The) United States Department Of Energy · Inventors: Faber, Vance; Moore, James W.

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 of interconnected processors is formed from a vertex symmetric graph selected from graphs rd(k) with degree d, diameter k, and (d+l)!!/(d-k+l)!! processors for each d?k and rd(k.-l) with degree d-l diameter, k+l, and (d+l)!!/(d-k+l)!! processors for each d?k?4. Each processor has an address formed by one of the permutations from a predetermined sequence of letters chosen a selected number of letters at a time and an, extended address formed by appending to the address the remaining ones of the predetermined sequence of letters. A plurality of transmission channels is provided from each of the processors. where each processor has one less channel than the selected number of letters …

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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 October 19, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 19, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 20, 1989
GrantedOctober 19, 1993
Term endedOctober 19, 2010
Patent numberCA 1323447 C
Classification (IPC)H04L12/28 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJune 20, 1989Patent grantedOct 19, 1993Term endedOct 19, 2010

Sources & verification

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