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Expired Canadian patentCanada

Critical path analyzer with path context window

CA 1333299 C · Owner: Bartel, Robert W. · Inventors: Kaiser, Richard R.; Bartel, Robert W.

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

A screen display includes a path context window for displaying a signal path in its entirety apart from the schematic sheets on which the path portions appear. The window contains multiple display portions each graphically displaying a path portion appearing on a separate schematic sheet. The multiple display portions are arranged adjacent to each other to display the entire signal path as continuous. The screen display also includes a path list window and may include view sheet windows each showing a schematic sheet of a path portion in the path context window. A user selects a path from the path list window, which causes a path context window containing the selected path to appear. …

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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 November 29, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 29, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 9, 1989
GrantedNovember 29, 1994
Term endedNovember 29, 2011
Patent numberCA 1333299 C
Classification (IPC)G06F17/50

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedJune 9, 1989Patent grantedNov 29, 1994Term endedNov 29, 2011

Sources & verification

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