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Expired Canadian patentCanada

Vector to raster conversion method

CA 1322796 C · Owner: Overton, Mark A. · Inventors: Overton, Mark A.; Bankston, Neil Faris

CIPO record

Overview

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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 technique for rasterizing a line having a predetermined width and slope, including the step of providing stored data associated with predetermined slopes and widths of lines, such data including information indicative of raster data for portions of lines of the predetermined slopes and widths. The stored data associated with the slope and width of the line to be rasterized is accessed, and raster data for one of predetermined portions of the line to be rasterized is generated from the accessed data, wherein the predetermined portions collectively form the line to be rasterized. The generated raster data is copied to a bitmap memory and the steps of, generating and copying raster data are …

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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 October 5, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 5, 2010.
  • 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 26, 1989
GrantedOctober 5, 1993
Term endedOctober 5, 2010
Patent numberCA 1322796 C
Classification (IPC)G06T11/20

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJune 26, 1989Patent grantedOct 5, 1993Term endedOct 5, 2010

Sources & verification

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