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Expired Canadian patentCanada

Flow system for centrifugal liquid processing apparatus

CA 1048464 A · Owner: Baxter Travenol Laboratories · Inventors: Lolachi, Houshang

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

Houshang Lolachi, Abstract of the Disclosure A seal-less disposable flow system for use in conjunction with a centrifugal liquid processing apparatus or the like wherein a rotor assembly for subjecting a liquid to be processed to centrifugation is rotatably mounted on a rotor drive assembly, which is rotatably mounted to a stationary base. The rotor assembly is rotatably driven in the same direction as the rotor drive assembly with a speed ratio of 2:1. The flow system includes two containers adapted for mounting on the rotor assembly and a flexible umbilical cable which extends from the containers to a location external to the apparatus by way of a passageway provided in the support shaft …

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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 13, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedFebruary 13, 1979
Term endedFebruary 13, 1996
Patent numberCA 1048464 A
Classification (IPC)B04B9/00 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedFeb 13, 1979Term endedFeb 13, 1996

Sources & verification

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