Terminal switching unit for a plurality of maintenance systems
CA 1295750 C · Owner: Gte Communication Systems Corporation · Inventors: Khan, Salim M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system is shown for interfacing between a work station or intelligent terminal device and a number of maintainable telecommunication systems. The system provides for interfacing between an intelligent CRT terminal and up to 26 remotely located maintenance processor units. This system provides the CRT attendant or crafts person with the ability to trouble-shoot or perform diagnostic testing upon a maintenance processor unit which is remotely located. In addition the work, station or intelligent terminal may be remotely located from the interface circuitry. This system establishes a connection between the work station or intelligent terminal and a particular maintenance processor unit. Once …
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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 February 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 11, 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.