Apparatus and method for providing network security
CA 2118940 A1 · Owner: Snow, David W. · Inventors: Maiwald, Eric S.; Snow, David W.; Boyle, John M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A multi-level security apparatus and method for a network employs a secure network interface unit (SNIU) coupled between each host or user computer unit (TS, S, S-U, PC, U) and a network and a, security manager (SM) coupled to the network for controlling the , operation and configuration of the SNIUs. Each SNIU is operative at a session level of interconnection which occurs when a user on the network is identified and a communication session is to commence. The SNIU is configured to perform a defined session level protocol, including the core function of user interface session, manager, dialog manager, association manager data sealer, and, network interface. The SM is implemented to ensure …
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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 31, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 31, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 31, 2014.
- 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.