Multiple window display system
CA 1280524 C · Owner: Trees, George Michael · Inventors: Anthias, Tefcros; Trees, George Michael; Herrod, John Andrew
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A multiple window display system includes a display device and a screen ownership area pointing to the identity of the window which is to contribute the data for each display area of the display device, characterised in that an ordered list is maintained of the active windows in the priority order thereof, means being provided to regenerate the screen ownership area from the list on each change made, to the list, in terms of list position per device display area, by overwriting, progressing through the list in order of increasingly significant priority order the list, indicating, in each position thereof the identity of the, window having the respective priority. The list contains 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 February 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 19, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.