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Expired Canadian patentCanada

Electrostatic precipitator having electrode stabilizer means

CA 1048421 A · Owner: Environmental Elements Corporation · Inventors: Teel, Kalle

CIPO record

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Abstract From the Canadian patent

An electrostatic precipitator for cleaning a particle laden gas passing therethrough comprising a shell having a gas inlet and outlet port and defining a gas chamber therein, a plurality of laterally spaced collector electrodes suspended within the gas chamber defining gas passages between adjacent collector electrodes, a discharge electrode assembly suspended from an insulator within the gas chamber a portion thereof suspended, within the gas passages between the adjacent collector electrodes the, discharge electrode assembly being insulated by the insulator from the shell and the collector electrodes, and a plurality of electrically insulating stabilizers connected between selected ones …

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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 1048421 A
Classification (IPC)B03C3/40 +1 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.