Method for network call hold and pick-up
CA 2286912 A1 · Owner: Brody, George · Inventors: Brody, George
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for picking up a call by a second communication device after the call has been placed on hold by a first communication device regardless of the communication device type or whether it is within a closed network is achieved by detecting, by a server associated with the first communication device that , a call has been placed on hold by the first communication device and subsequently suspending the call. Next the server associated with the first , communication device waits for a directive call pick-up message which may be , provided by the first communication device or from a second communication device directly or via a server associated with the second communication device. …
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 February 11, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 11, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 11, 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.