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Expired Canadian patentCanada

Showering system

CA 1162215 A · Owner: Teledyne Industries, Inc. · Inventors: Elkins, Christopher W.; Trenary, John; Smith, David W.

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

A showering system includes a source of hot water and a showerhead fed from that source. To produce steam there is a conduit that delivers water from the source to any showerhead and in which is defined an outlet. Disposed within the conduit is a selectively controlled diverter of the water arriving from the source, so as to direct it away from the showerhead and through the outlet in the form of a mist. The preferred showerhead is of a turbine-valve kind in which the turbine is driven by nozzles. Apertures in a flow director plate, governed by a control plate feed, nozzles predetermined to vary the force of water delivered from outlet orifices in correspondence with the number of the …

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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 14, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 14, 2001.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 7, 1981
GrantedFebruary 14, 1984
Term endedFebruary 14, 2001
Patent numberCA 1162215 A
Classification (IPC)B05B1/16 +2 more

Timeline

Timeline From CIPO dates

1982198419861988199019921994199619982000Application filedJan 7, 1981Patent grantedFeb 14, 1984Term endedFeb 14, 2001

Sources & verification

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