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Expired Canadian patentCanada

Magnetic separators

CA 1060805 A · Owner: English Clays Lovering Pochin And Company Limited · Inventors: Watson, James H.P.

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

The magnetic separator comprises a magnet for establishing a magnetic field in a first zone and a separating chamber. The separating chamber is elongate and is provided with an inlet and an outlet for fluid. Within the separating chamber is a fluid-permeable packing of magnetisable material. At least parts of the separating chamber in the vicinity of ends of the separating chamber are constituted by ferromagnetic material. These parts would otherwise occupy a region of relatively low magnetic field intensity when a magnetic field was established in the separating chamber by means of the magnet. The magnetic separator also comprises means for moving the separating chamber and the packing …

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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 August 21, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 21, 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—
GrantedAugust 21, 1979
Term endedAugust 21, 1996
Patent numberCA 1060805 A
Classification (IPC)B01D35/06 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedAug 21, 1979Term endedAug 21, 1996

Sources & verification

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