Location register for a land-line supported private base station operable in a cellular system
CA 2179218 C · Owner: At&T Ipm Corp. · Inventors: Saizan, Robert Thomas; Khan, Muzibul H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A private base station location register supports the registering of multiple mobile stations at a private base station and provides control information for enabling a personalized call delivery feature at the private base station for each registered mobile station. When registration of a mobile station with a private base station is performed, the private base station location register receives mobile station information from a private base station along with assignment of a local unique address for each one of the multiple mobile stations registering with the private base station. When the private base station receives an incoming call for a particular one of the mobile stations, this …
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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 June 17, 1996 and granted November 7, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 17, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 17, 2018.
- 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.