A method relating to telephone communications including the transmission of advertising messages
CA 2277902 A1 · Owner: Ander, Carl · Inventors: Ander, Carl; Palmaeus, Fredrik
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method relating to telecommunications wherein a call is connected between two subscribers, wherein the call is billed to a third subscriber wherein the , telephone of a first subscriber is connected to the telephone of a second subscriber via a standard telephone network wherein the first subscriber , dials a subscriber number preferably preceded by a prefix, that leads to the third subscriber and dials a subscriber number that leads to the second subscriber, wherein the telephone network is caused to connect the call to a telephone network connected computer unit (4) that forwards the call to said second subscriber such as to connect said first subscriber with said second …
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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 January 19, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 19, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 19, 2020.
- 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.