Method for effecting telecommunication connections at low cost and a device for carrying out the method
CA 2350709 A1 · Owner: Grabher, Wolfgang · Inventors: Grabher, Wolfgang
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for effecting telecommunication connections for users in a telecommunication system having competing rates wherein a selection of a rate , which is the most economical for the user is made based on data stored in a memory containing competing rates, wherein these rates represent prices in dependence on at least one of the following parameters: starting time of the telecommunication connection, day of the week holiday, and rate zone. The , method is characterized in that the ending time and the duration of a telecommunication connection and the data associated therewith are additional parameters belonging to the above mentioned rate data the communication , connection is …
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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 16, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 16, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 16, 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.
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.