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Expired Canadian patentCanada

System and method for scheduling an event over a network

CA 2453402 C · Owner: Palmsource, Inc. · Inventors: De Lozada, Jorges Sanchez; Connelly, Charles; Fishman, Daniel

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A method for scheduling an event over a network in a calendar of an invitee includes creating a schedule request that includes at least a set of details of the event and an identifier of the event creator. The schedule request is sent to a server in communication with the network. The server has access to the calendar of the invitee and a calendar for the event creator. Upon receipt of the schedule request, an event record is created at the server that includes at least the set of details for the event and a link to the invitee's calendar. The event is also added to the calendar of the invitee. The schedule request may be created using a link associated with the event.

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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 28, 2002 and granted July 2, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 28, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 28, 2024.
  • 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 28, 2002
GrantedJuly 2, 2013
Term endedMay 28, 2022
Patent numberCA 2453402 C
Classification (IPC)G06Q10/10

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedMay 28, 2002Patent grantedJuly 2, 2013Term endedMay 28, 2022

Sources & verification

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