Call processing system
CA 2099307 A1 · Owner: Schessel, Larry Edward · Inventors: Schessel, Larry Edward
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of assigning a feature service to the line of a subscriber of a telecommunications network during the network's administration operation. The first step of the method is executing, at a predefined point during the administration, a first data operation to determine whether the assignment of a respective feature service is blocked by a currently assigned feature service. Thereafter the method executes a second data operation to determine whether the assignment of the respective feature service requires the prior assignment of another feature service. The method then assigns the feature service to the subscriber line upon determining that the feature service is not blocked and that …
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 June 28, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 28, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 28, 2015.
- 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.