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Expired Canadian patentCanada

Vibratory processing arrangements

CA 1282950 C · Owner: Australian Nuclear Science And Technology Organisation · Inventors: Ramm, Eric John

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 vibratory processing arrangement including an apparatus comprising three main stages. Namely a high, level waste vibrating impregnator a vibrating calciner, and a vibratory powder mixer. The waste impregnator comprises a downwardly inclined trough having flexible mountings and a vibrator at its upstream end, a hood structure and a series of liquid sprays connected to a high level waste supply tube. The vibratory calciner comprises a downwardly inclined tube connected to a downstream discharge tube. The discharge tube has an inlet pipe for entry of reducing gas. The reducing gas passes upwardly through the tubes to a gas discharge take-off tube near the upstream end of the downwardly …

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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 April 16, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 16, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 28, 1986
GrantedApril 16, 1991
Term endedApril 16, 2008
Patent numberCA 1282950 C
Classification (IPC)G21F9/14 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedNov 28, 1986Patent grantedApril 16, 1991Term endedApril 16, 2008

Sources & verification

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