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Expired Canadian patentCanada

Apparatus and methods for implementation of network software interfaces

CA 2508747 C · Owner: Helms, William · Inventors: Helms, William; Ladd, Patrick; Sarosi, George W.

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Apparatus and methods for improved software programming interface functionality in a network. In one exemplary embodiment the network comprises an HFC cable network with CPE in which network-specific programming interfaces (e.g. APIs) may be downloaded to the CPE registered, authenticated, stored and executed in a software protocol stack implementing OpenCable Application Platform (OCAP) or Multimedia Home Platform (MHP) standards. The host device software comprises a "manager" module that registers APIs identified by the OCAP Monitor Application such that all applications launched thereafter on the device can use these communications APIs provided they have the appropriate permission(s). …

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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 May 31, 2005 and granted December 4, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 31, 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.
FiledMay 31, 2005
GrantedDecember 4, 2012
Term endedMay 31, 2025
Patent numberCA 2508747 C
Classification (IPC)G06F9/44 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedMay 31, 2005Patent grantedDec 4, 2012Term endedMay 31, 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.