Calling line identification
CA 2076285 C · Owner: Shaw, I-Nuoh Rose · Inventors: Shaw, I-Nuoh Rose
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a method and apparatus for specifying alternate numbers for use as Incoming Calling Line Identification (ICLID) numbers. On a calling card call, the caller may specify whether the calling card number or thetelephone number of the caller telephone station is to be used as the ICLID number. Alternatively or in addition the caller may provide an identification number comprising a personal identification number and a telephone number and indicate that that telephone number be used as the ICLID number. Advantageously callers, may identify themselves, for the purposes of ICLID with their home or business, telephone number even when they are calling from a different …
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 August 18, 1992 and granted March 25, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 18, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 18, 2014.
- 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.