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Expired Canadian patentCanada

Voice/data-formatted telephone information storage and retrieval system

CA 1325298 C · Owner: Winter, Walter W. · Inventors: Winter, Walter W.; Cannon, Dale E.; Morris, Jo

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

A synthesized message storage and retrieval generates response messages by concatentating a sequence of words that have been recorded in digital memory in the voice of the operator in accordance with prescribed inflection characteristics. By linking together phrases or words having selectively chosen inflections in the voice of the operator, the resulting vocalized message will more naturally simulate the manner of speech of the operator and thereby provide a more realistic verbalization of the message to the customer. In accordance with the communications functionality of the operator's voice message assembly mechanism the system performs a plurality of tasks for the operator including …

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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 December 14, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 14, 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.
FiledSeptember 21, 1989
GrantedDecember 14, 1993
Term endedDecember 14, 2010
Patent numberCA 1325298 C
Classification (IPC)H04M3/50 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedSep 21, 1989Patent grantedDec 14, 1993Term endedDec 14, 2010

Sources & verification

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