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Expired Canadian patentCanada

System, method and computer program for remotely sending signal(s) to a computer

CA 2524039 C · Owner: Cheung, Andrew · Inventors: Cheung, Andrew; Strakhov, Serguei

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 system is provided for accessing and/or controlling at least one first computer connected to a local computer network (target computer) from at least one remote computer (being remote from the local computer network). The system includes a server computer that is operable to act as an intermediary between the target computer and the remote computer; and at least one proxy computer on the local computer network linked to the server computer and the target computer the proxy computer being is operable to act as a proxy for the server computer in relation to the target computer. The server computer is responsive to a request from the remote computer that at least one digital signal be sent …

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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 October 21, 2005 and granted December 31, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 21, 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.
FiledOctober 21, 2005
GrantedDecember 31, 2013
Term endedOctober 21, 2025
Patent numberCA 2524039 C
Classification (IPC)H04L12/28 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedOct 21, 2005Patent grantedDec 31, 2013Term endedOct 21, 2025

Sources & verification

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