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Expired Canadian patentCanada

Deflecting means for centrifugal separator

CA 1067019 A · Owner: Burvell Canada Company Limited · Inventors: Brookman, Donald

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

A centrifugal separator for removal of impurities from gases, including deflecting means in an inlet region of the housing of the separator, said deflecting means comprising a central circular body and a plurality of vanes extending from the periphery of said body and having portions bent to extend away from the inlet so as to deflect gases when passed thereover and create a vortex flow in the housing; each of said vanes, prior to the deflecting portion being bent into the deflecting position, including a first outer arcuate, peripheral edge, a second inwardly extending edge running from one end of said outer edge and leading to a third inner arcuate edge extending substantially …

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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 November 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 27, 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—
GrantedNovember 27, 1979
Term endedNovember 27, 1996
Patent numberCA 1067019 A
Classification (IPC)B04C3/06 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedNov 27, 1979Term endedNov 27, 1996

Sources & verification

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