System and method for secure data transmission
CA 2243173 A1 · Owner: Daniels, Edward P. Jr. · Inventors: Daniels, Edward P. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and system for providing security to a communication system having a plurality of system users. The communication system includes first and second user sites wherein the first site includes means for generating a first encryption key and the second site includes means for generating a second encryption key that is unique relative to the first encryption key. Further included is a key management datacenter that is connected to the first and second user sites and is configured to generate both the first and second encryption keys whereby the datacenter is operative to decrypt encrypted data send by the first user site with the first encryption key and encrypt the data with the second …
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 July 15, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 15, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 15, 2020.
- 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.