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Expired Canadian patentCanada

Method for enabling the efficient operation of arbitrarily interconnected mesh networks

CA 2887177 C · Owner: Firetide, Inc. · Inventors: Kailas, Sivakumar; Natarajan, Mohan; Jetcheva, Jorgeta

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Abstract From the Canadian patent

Wireless mesh networks (or "meshes") are enabled for arbitrary interconnection to each other and may provide varying levels of coverage and redundancy as desired. Interoperability between meshes having differing configurations internal operations, or both, may be freely intermixed and inter-operated in unrestricted combination. Enhanced explicit inter-bridge control protocols operate using pre-existing control packets. Pre-existing broadcast packet floods are used to learn the best paths across interconnected meshes (termed a "multi-mesh"). Enhanced routing protocols operating within each mesh may optionally examine information limited to the respective mesh when forwarding traffic thus …

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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 July 19, 2006 and granted March 16, 2021. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 19, 2026.
  • 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.
FiledJuly 19, 2006
GrantedMarch 16, 2021
Term endedJuly 19, 2026
Patent numberCA 2887177 C
Classification (IPC)H04W40/02 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJuly 19, 2006Patent grantedMarch 16, 2021Term endedJuly 19, 2026

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