Providing caller id within a mobile telecommunications network
CA 2268846 A1 · Owner: Skog, Bengt Robert · Inventors: Skog, Bengt Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A calling party directory number (SRI) associated with a terminating call towards an unreachable mobile station (30) is stored at a home location register (HLR) associated with the unreachable mobile station (30). Thereafter, the HLR (50) receives an indication from a particular mobile switching center (MSC) (40) that the mobile station (30) is now reachable. In response to such an indication, the HLR (50) retrieves the previously stored calling party directory number and transmits the retrieved directory number to the reachable mobile station (30) using unstructured messages. By displaying the transmitted number, the mobile station (30) is able to inform the mobile subscriber of …
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 October 1, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 1, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 1, 2019.
- 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.