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Expired Canadian patentCanada

Cyclone centrifuge apparatus

CA 1062628 A · Owner: Bobo, Roy A. · Inventors: Bobo, Roy A.

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

Abstract of the Disclosure: Cyclone centrifuge apparatus of the stationary or rotating types having a new and improved means for admitting the feed thereto for reducing turbulence and cross-flow at the entry, decreasing the input pressure required for a given rate of feed throughout, and reducing the expenditure of hydraulic energy required for achieving a desired separation or obtaining improved separation of the light and heavy phases of the feed for a given expenditure of hydraulic energy. I

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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 September 18, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 18, 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—
GrantedSeptember 18, 1979
Term endedSeptember 18, 1996
Patent numberCA 1062628 A
Classification (IPC)B01D19/00 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedSep 18, 1979Term endedSep 18, 1996

Sources & verification

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