Technique for administering personal telephone numbers
CA 2103232 C · Owner: Kapsales, Peter · Inventors: Phillips, Wayne D.; Saleh, Patricia Denton; Gellman, Leon H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The drawbacks to administering a sequence of locations to which calls placed to a subscriber's personal telephone number may be routed for personal communication service are overcome by a) storing pre-defined mnemonic audible tags for association with telephone numbers prior to any interactions with the subscriber b) offering the subscriber a choice of the pre-defined mnemonic audible tags by speaking them to him c) receiving an indication of the mnemonic audibletag selected by the subscriber d) receiving signals indicating a telephone number supplied by the subscriber; and e) storing the received telephone number information in association with the selected mnemonic audible tag. The …
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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 November 16, 1993 and granted March 18, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 16, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 16, 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.