A communication system for distributing information
CA 2331531 A1 · Owner: Peretti, Giulio · Inventors: Peretti, Giulio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A communication system (10) for distributing information to a plurality of calling users (1, 2, ... n) on respective call lines (L1 L2, ... Ln), characterized in that it comprises: a database (13) containing information to be distributed to the calling users (1 2, ... n), and a network interface , (11) for enabling the calling users (1 2, ... n) to access the database , (13) the network interface controlling the call lines (L1 L2, ... Ln) on , the basis of the criterion of charging the party called and having an , associated timing module (12) for selectively controlling the time for which calling users (1, 2, ... n) have access to the database (13).
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 5, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 5, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 5, 2021.
- 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.