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Expired Canadian patentCanada

Method and apparatus for validation and error resolution of configuration data in a private branch exchange switch

CA 2503757 C · Owner: Ross, Timothy I. · Inventors: Gopu, Prameela R.; Ross, Timothy I.; Brown, Deborah J.

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Abstract From the Canadian patent

Methods and apparatus are provided for validating configuration data in a switch. An error is detected if the configuration data fails to comply with one or more rules; and a user is presented with an interface that allows the user to correct the error. The rules may include one or more syntactic rules or conflict rules (or both). In the case of a simple error the user is presented with an error indication with a smart error link. In the case of a conflict error the user is presented with an error indication that identifies the conflicting endpoints and optionally allows the user to correct at least one conflicting endpoint. The configuration data is revalidated after a change is made by a …

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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 April 4, 2005 and granted September 11, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 4, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 4, 2005
GrantedSeptember 11, 2012
Term endedApril 4, 2025
Patent numberCA 2503757 C
Classification (IPC)H04Q1/20 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedApril 4, 2005Patent grantedSep 11, 2012Term endedApril 4, 2025

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.