Apparatus and method for accessing subscriber data via tele-communications terminals
CA 2234867 A1 · Owner: Rothenhofer, Karl · Inventors: Rothenhofer, Karl; Neufeldt, Helmut
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A telecommunications network (1) with a switching unit (2, 2', 2'') to which at least one telecommunications terminal (3, 3', 3'') is connected and which can be operated and maintained from a distance by a host computer (4) via a data link is characterized in that the switching unit (2, 2', 2'') has a connection data computer (5) connected thereto which continuously receives from the switching unit (2, 2' 2''), in real, time, communication data of the network connections of the telecommunications terminals (3, 3' 3''), connected to the switching unit (2 2', 2'') and, routes said communication data to the central computer (4) upon request, and that via the switching unit (2 2', 2'') and an …
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 12, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 12, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 12, 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.