Object and resource security system
CA 2386984 A1 · Owner: Sprunk, Eric J. · Inventors: Sprunk, Eric J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Using checkpoints to secure objects and resources in a conditional access system. Authentication and/or authorization checks are performed at a number of checkpoints to assure security of the object and resource. Checkpoints trigger these checks when the purpose of the object or resource becomes manifest as well as other times during handling of the object or resource.
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 6, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 6, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 6, 2022.
- 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.