System and method for handling a call in different modes according to stored data
CA 2304838 A1 · Owner: Termsinsuwan, Pairoj · Inventors: Termsinsuwan, Pairoj
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A user table is created in a telephone switching system for users of a group which shares a particular port of a switching network. The user table has multiple entries respectively associated with users of the group. In response to a command signal from a user of the group, instructions from the user are set in an associated entry of the table, the instructions including a user private number and service information specifying a desired call processing mode. The switching system, upon receipt of a directory number from a calling station receives a user private number from the calling station and establishes a connection in the switching network according to the service information stored in …
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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 April 11, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 11, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 11, 2022.
- 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.