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Expired Canadian patentCanada

Dynamic graphics arrangement for displaying spatial-time-series data

CA 2017969 C · Owner: Miller, Eileen O. · Inventors: Eick, Stephen G.; Wilks, Allan R.; Becker, Richard Alan

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 computer is provided with the facility to display in map form spatially-time-varying data associated with respective nodes. Specifically responsive to a user inputting a specific command the computer displays a, plurality of symbols representing respective ones of the nodes in which the symbols share a common characteristic, the size of which is varied commensurate with changes in the data associated with their respective nodes. In addition, the user is provided with a tool so that he/she may either manually or automatically play through the data. The user is also provided with a number of other tools to control the display of the symbols and/or data, such as, for example, a tool which …

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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 May 31, 1990 and granted April 20, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 31, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 31, 2012.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 31, 1990
GrantedApril 20, 1999
Term endedMay 31, 2010
Patent numberCA 2017969 C
Classification (IPC)G06F11/30 +2 more

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedMay 31, 1990Patent grantedApril 20, 1999Term endedMay 31, 2010

Sources & verification

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