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Expired Canadian patentCanada

Communication and energy control system for houses

CA 1313702 C · Owner: Edwards, Robert G. · Inventors: Edwards, Robert G.; Macfadyen, David J.; Foley, Daniel J.

CIPO record

Overview

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

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Abstract From the Canadian patent

An automated system for providing different services within a house includes an appliance coordination data network for communicating relatively low speed digital data within a house, a high capacity data network for transferring high speed digital data within the house, an energy distribution system for distributing energy throughout the house, an analog services distribution system for distributing conventional analog signals throughout the house and a video services distribution network for distributing video services throughout the house. The appliance coordination network interfaces with the energy distribution system to control the flow of energy to appliances throughout the house …

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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

  • Granted February 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 16, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 30, 1988
GrantedFebruary 16, 1993
Term endedFebruary 16, 2010
Patent numberCA 1313702 C
Classification (IPC)H02J13/00 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedNov 30, 1988Patent grantedFeb 16, 1993Term endedFeb 16, 2010

Sources & verification

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