Method and system for messaging across cellular networks and a public data network
CA 2547294 C · Owner: Aol Llc · Inventors: Robinson, Bruce A.; Carey, Charles A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of enabling a user of a cellular communications device to communicate with other users using instant messages includes enabling a user of a cellular communications device to receive at the cellular communications device, availability information for a user-defined group of other users. The other users within the user-defined group are included in an instant message name list maintained for the user and the availability information includes an indication of an availability of the other users to communicate using instant messages. The method further includes receiving the availability information at the cellular communications device and displaying the availability information in a …
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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 March 6, 2001 and granted October 23, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 6, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 6, 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.