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Canadian application, no grantCanada

Methods and apparatus providing for a multimedia authoring and presentation system

CA 2064508 A1 · Owner: Nicotra, Christopher G. · Inventors: Weiblen, Michael E.; Lutz, Wayne D.; Nicotra, Christopher G.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A multimedia authoring system uses a graphic interface display which is implemented as a part of a flow editor and is used to create and to program interactive multimedia presentations and coursework. The authoring system also includes other editors (e.g. a database editor an expression, editor, and an object editor) used to perform other editing functions required to create presentations. The system also includes control systems (e.g. an applications mover a, videodisc controller, and a help system) which also enable the user to create, program, execute and manipulate interactive multimedia presentations. Finally, the system includes an evaluator which evaluates a programmed presentation …

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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

  • Filed March 31, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 31, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 31, 2014.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 31, 1992
GrantedNo grant recorded
Term endedMarch 31, 2012
Patent numberCA 2064508 A1
Classification (IPC)G06F9/44 +2 more

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedMarch 31, 1992Term endedMarch 31, 2012

Sources & verification

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