Telephone answering machine in paging systems with automatic number identification based message operations
CA 1303677 C · Owner: Davis, Walter Lee · Inventors: Davis, Walter Lee
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An automatic telephone answering device employing an Automatic Number Identification (ANI) decoder to selectively perform operations on a telephone call is described. The device may perform such operations as to selectively not respond end, record or forward a telephone call wherein the selection is dependent upon the ANI signal associated with the telephone call, and the operations are determined prior to the reception of the telephone call. In using the automatic answering device in a paging system, a method of selectively forwarding a telephone message to a paging device and ultimately to a pager is described, wherein the selection is dependent upon the ANI signal associated with 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
- Granted June 16, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 16, 2009.
- 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.