An intelligent telephone system
CA 2191279 C · Owner: Chang, Jackson · Inventors: Lin, David; Cao, James; Chang, Jackson
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to an intelligent telephone system operating, methods related to the system are also disclosed. The intelligent telephone is capable of programming operating procedures as a shortcut for re-operating in the future. Furthermore achieve the purpose of conveniently operating some complicated operating processes for a user, and being capable of automatically performing in a preset time limit. The intelligent telephone system includes storage means a ROM (Read Only Memory), an LCD (Liquid Crystal Display) a telephone interface a CPU (Central ProcessingUnit) and a user inputting interface. The user interface is used for receiving audio information and commands for …
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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 November 26, 1996 and granted March 7, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 26, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 26, 2018.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.