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Expired Canadian patentCanada

Method and apparatus for the irradiation of fluids

CA 1191282 A · Owner: Extracorporeal Medical Specialties, Inc. · Inventors: Taylor, John A.; Conyne, Richard F.

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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 device for irradiating a fluid contained therein or flowing therethrough. The device comprises a hollow casing having a first end wall and a second end wall. An inlet is provided in the casing between the first end wall and the second end wall for introducing the fluid into the interior of the casing. An outlet is also provided in the casing between the first end wall and the second end wall for withdrawing the fluid from the interior of the casing. At least one element adapted to transmit radiant energy is disposed within the casing and has a first end portion and a second end portion. The first end portion of the element is secured in the first end wall, the outer peripheral surface of …

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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 July 30, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 30, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 10, 1982
GrantedJuly 30, 1985
Term endedJuly 30, 2002
Patent numberCA 1191282 A
Classification (IPC)G21K5/00 +2 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedDec 10, 1982Patent grantedJuly 30, 1985Term endedJuly 30, 2002

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