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Expired Canadian patentCanada

Method to automatically vary displayed object size with variations in window size

CA 1293062 C · Owner: International Business Machines Corporation · Inventors: Torres, Robert Joseph

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 to maintain all information originally displayed in a window on a display screen as the size of the window is varied. By selecting from a plurality of different character sets that are stored in the system, a character set is obtained which has the appropriate width and height attributes that allow the original text characters to be substituted for the corresponding text characters originally displayed. Since the selected character set contains proportionally smaller characters no information is lost when the size of the window is decreased. The different character sets that are stored may be hardware implemented or software generated character sets which are also based on …

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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 December 10, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 10, 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 18, 1988
GrantedDecember 10, 1991
Term endedDecember 10, 2008
Patent numberCA 1293062 C
Classification (IPC)G06F3/14 +1 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedNov 18, 1988Patent grantedDec 10, 1991Term endedDec 10, 2008

Sources & verification

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