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Canadian application, no grantCanada

A method for determining program control flow

CA 2353442 A1 · Owner: Schooler, Richard · Inventors: Schooler, Richard

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 of generating a program control flow definition from the program code determines entry points in the program. The code is followed or scanned, from , an entry point to a branch or jump instruction or control flow instruction. A , code block is then defined as the code from the entry point up to and including the control flow instruction. From the control flow instruction additional entry points are identified. This is repeated for each entry point having a known value, resulting in a partial control flow definition. For entry points having unknown values, a constant propagation analysis is performed on the partial control flow definition to convert unknown entry point values …

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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

  • Filed December 8, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 8, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 8, 2021.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 8, 1999
GrantedNo grant recorded
Term endedDecember 8, 2019
Patent numberCA 2353442 A1
Classification (IPC)G06F9/45 +1 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedDec 8, 1999Term endedDec 8, 2019

Sources & verification

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