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Expired Canadian patentCanada

Method using a programmed digital computer system for translation between natural languages

CA 1281429 C · Owner: Gachot S.A. · Inventors: Toma, Peter

CIPO record

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Abstract From the Canadian patent

A computerized translation method with universal application to all natural languages is provided. With this method parameters are changed only when source or target languages are changed. The computerized method can be regarded as a selfcontained system, having been developed to accept input tests in the source language, and look up individual (or sequences of) textwords in various dictionaries. On the basis of the dictionary information, sequences of operations are carried out which gradually generate the multiplicity of computer codes needed to express all the syntactic and semantic functions of the words in the sentence. On the basis of all the codes and target meanings in the …

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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 March 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 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.
FiledJanuary 5, 1987
GrantedMarch 12, 1991
Term endedMarch 12, 2008
Patent numberCA 1281429 C
Classification (IPC)—

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedJan 5, 1987Patent grantedMarch 12, 1991Term endedMarch 12, 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.