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Canadian application, no grantCanada

Developing and running selected applications in communications

CA 2387452 A1 · Owner: Hejl, Petr · Inventors: Hejl, Petr

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

Three programming languages to develop and run applications in communications. The first programming language called Quelan is a program to develop and run quizzes. The second programming language called Dialan develops and runs dialogue from user input in the form of blocks of questions answers, reactions and further steps. The third programming language called Scelan is used to write a procedural program in which the user employs the statements "send" and "receive" to send and receive messages.

Read the whole patent

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 May 24, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 24, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 24, 2024.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 24, 2002
GrantedNo grant recorded
Term endedMay 24, 2022
Patent numberCA 2387452 A1
Classification (IPC)G06F9/44 +1 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedMay 24, 2002Term endedMay 24, 2022

Sources & verification

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