Event notification over a communications network
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United States of America Patent
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-
Feb 21, 2012
Grant Date -
Jan 20, 2005
app pub date -
Nov 25, 2002
filing date -
Dec 11, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
One or more users of a present state are notified of at least one property of an entity. A request message is received from a user over a first communications channel, the message containing information indicative of at least one property of an entity in which the user is interested. The present state of the at least one property is determined, as is an identifier of a second communications channel onto which future messages containing information relating to future changes of state of the at least one property of the entity will be transmitted. A reply message is transmitted to the user, the reply message containing information indicative of the present state of the at least one property and of the identifier of the second communications channel.
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