Increasing the capacity of a personal communication service system by utilization of the bridged shared line appearance feature
CA 2188075 C · Owner: Ross, Michael Ray · Inventors: Chavez, David Lee, Jr.; Ross, Michael Ray
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Utilizing a bridged line appearance feature in a switching system to allow additional individual PCS systems to be added as the number of wireless sets increases. For each wireless set, a bridged line appearance is administered in the switching system having a group of shared line appearance telephone links where the number of telephone links in each group is equal to the number of individual PCSsystems. When the switching system receives a call for a particular wireless set the, switching system signals the incoming call on each telephone link that is part of the shared line appearance group for that particular wireless set. The PCS system onwhich the particular wireless set is presently …
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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 October 17, 1996 and granted March 7, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 17, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 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
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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.