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Expired Canadian patentCanada

Apparatus for distributing data processing across plurality of loci of control

CA 1286414 C · Owner: Dev, Roger H. · Inventors: Comer, Stewart Allen; Steinberg, Gabriel; Kam, John B.

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

Apparatus for distributing the processing of data across a plurality of loci of control which are connected by a mail system. The apparatus includes a package which contains files of various types and a route specifying the order in which the package is to be circulated among the loci and the processing to be done at each locus. Each locus includes programs executable by users which can manipulate the contents of the package. The programs automatically take the type of file being manipulated into account. The manipulations include modifying the unexecuted portion of the route. Each locus further includes a process which executes the route as modified, a process which tracks the package and …

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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 July 16, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 16, 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.
FiledSeptember 22, 1987
GrantedJuly 16, 1991
Term endedJuly 16, 2008
Patent numberCA 1286414 C
Classification (IPC)G06F9/46 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedSep 22, 1987Patent grantedJuly 16, 1991Term endedJuly 16, 2008

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