Communication systems
CA 2410434 A1 · Owner: Murray, Robert George · Inventors: Murray, Robert George
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a method and system (10) for enabling use of a communication network by a subscriber. The system includes a database (12) including data on a plurality of subscribers and identification means for remotely identifying subscriber. The system further includes verification means for verifying subscriber details with reference to the database and a stock of enabling codes (20) which, when fed into the network allow communication via the network to a predetermined extent. In use the , subscriber is identified remotely his details are verified and he is then provided with an enabling code permitting communications via the network.
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 May 9, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 9, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 9, 2023.
- 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.