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Expired Canadian patentCanada

Method of editing graphic objects in an interactive draw graphic system using implicit editing actions

CA 1238980 A · Owner: International Business Machines Corporation · Inventors: Hernandez, Irene H.; Himelstein, Carol S.; Wang, John S.

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 method is described for editing graphic objects in an interactive draw graphic system which selectively displays a menu of available editing actions in response to operation of one mouse button by the operator and allows the operator to cursor select the specific edit action from the menu to be made active by operating a second mouse key. The operator may also cursor select the object to be edited by operation of the second mouse key. Once the editing action is selected and made active, the menu is hidden (not displayed) and the editing action remains active in the system until positive steps are taken by the operator to either terminate the edit funciton or change the active editing …

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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 July 5, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 5, 2005.
  • 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 15, 1985
GrantedJuly 5, 1988
Term endedJuly 5, 2005
Patent numberCA 1238980 A
Classification (IPC)G06T11/60 +1 more

Timeline

Timeline From CIPO dates

1986198819901992199419961998200020022004Application filedNov 15, 1985Patent grantedJuly 5, 1988Term endedJuly 5, 2005

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