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Expired Canadian patentCanada

Electrically actuated plumbing system

CA 1294851 C · Owner: Beyke, Theodor Alexander · Inventors: Beyke, Theodor Alexander

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 central water control is disclosed having a hot water manifold for receiving hot water a cold water, manifold for receiving cold water and valves for controlling the flow of water from the manifolds to remotely located taps wherein electrical control devices are located near the taps in order to provide electrical signals for controlling the valves in order to control the flow of hot and cold water to the taps.

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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 January 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 28, 2009.
  • 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 4, 1987
GrantedJanuary 28, 1992
Term endedJanuary 28, 2009
Patent numberCA 1294851 C
Classification (IPC)E03C1/00

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedMay 4, 1987Patent grantedJan 28, 1992Term endedJan 28, 2009

Sources & verification

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