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Expired Canadian patentCanada

Touch screen form entry system

CA 1287925 C · Owner: Gillon, Alexander Carlyle · Inventors: Day, Benjamin Wilson; Gillon, Alexander Carlyle; Le Conte, Raoul Arntz

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

Abstract A personal computer connected to a display and touch screen panel is provided with a form entry system integrated therewith. The form entry system is adapted to display a predefined form and to automatically display a predefined tool, such as a keyboard, menu, calculator etc. to facilitate inputting, information in a respective field of the form or chart. Specifically the user is, prompted as to which field is to be filled in by highlighting the field and concurrently displaying as an overlay (window) the tool that the user will use to input the information called for by the highlighted field. In the case where a field calls for illustratively the insertion of a name the system may …

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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 August 20, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 20, 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.
FiledNovember 25, 1987
GrantedAugust 20, 1991
Term endedAugust 20, 2008
Patent numberCA 1287925 C
Classification (IPC)G06F3/03 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedNov 25, 1987Patent grantedAug 20, 1991Term endedAug 20, 2008

Sources & verification

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