Method to multi-cast data packets to mobile stations, and related gateway node, service node and routing node
CA 2313984 A1 · Owner: Aerts, Helena Tine · Inventors: Aerts, Helena Tine; Sales, Bernard; Leroy, Suresh Andre Jean-Marie
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
To transfer public data packets (PU-DP) from an originating terminal (TE) to a plurality of mobile stations (MS1 MS2, MS3, MS4, MS6) over a public data packet network (INTERNET) and a mobile data packet network (GPRS-SYSTEM) the public data packets (PU-DP) are multi-tasted through the public data packet, network (INTERNET) by means of a multi-cast address (PU-MCA) in an overhead section (PU-H) of the public data packets (PU-DP). In addition the public , data, packets (PU-DP) are multi-tasted through at least part of the mobile data packet, network (GPRS-SYSTEM) by means of a private multi-cast address (PR-MCA) in an overhead section (PR-H) of private data packets (PR-DP) that tunnel the …
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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 July 17, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 17, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 17, 2022.
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Timeline
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Sources & verification
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.