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Expired Canadian patentCanada

Facial sauna

CA 1204360 A · Owner: Remington Products Company · Inventors: Burian, Paul D. (Deceased); Kunz, Raymond W.

CIPO record

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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 apparatus for generating steam from water in a tank. A heater is located within a member having labyrinthine baffles thereon. The member is located within a bore formed within a housing and is supplied with water from the tank by an electromagnetic pump. The pump may be comprised of an electromagnetic coil in contact with a pivoting armature. The armature is connected to a diaphragm in communication with an inlet valve and an outlet valve. A control means may be provided to limit movement of the armature and thus to control the amount of vapor pumped and steam produced. Water contacting the heated section is vaporized and passes through an outlet in the housing. Preferably the baffles …

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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 May 13, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 13, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 24, 1981
GrantedMay 13, 1986
Term endedMay 13, 2003
Patent numberCA 1204360 A
Classification (IPC)A45D33/00 +2 more

Timeline

Timeline From CIPO dates

19821985198819911994199720002003Application filedFeb 24, 1981Patent grantedMay 13, 1986Term endedMay 13, 2003

Sources & verification

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