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Expired Canadian patentCanada

Interactive weather advisory system

CA 2514868 C · Owner: Weatherbank, Inc. · Inventors: Root, Michael R.; Root, Steven A.

CIPO record

Overview

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Abstract From the Canadian patent

A broadcast network for selectively transmitting individualized weather output signals to at least one of a plurality of communicator devices remotely located from the broadcast network. The broadcast network comprises a user input database, a communicator location database a weather analysis unit, and , a communication network. The user input database contains a plurality of user profiles. At least some of the user profiles contains parameters provided from a pre-defined user profile. Each user profile includes a user identifier code. The communicator location database contains real-time data indicative of the spatial locations of the communicator devices. The weather analysis unit …

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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 January 30, 2004 and granted July 2, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 30, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 30, 2026.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 30, 2004
GrantedJuly 2, 2013
Term endedJanuary 30, 2024
Patent numberCA 2514868 C
Classification (IPC)H04L12/18 +2 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedJan 30, 2004Patent grantedJuly 2, 2013Term endedJan 30, 2024

Sources & verification

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