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Expired Canadian patentCanada

Ozone generator

CA 1079685 A · Owner: Leningradsky Elektrotekhnichesky Institut · Inventors: Orlov, Alexandr A.; Zolotov, Valery F.; Goncharov, Georgy N.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Abstract of the Disclosure An ozone generator having a housing accommodating parallelmounted ozonizing elements, each consisting of water-cooled inner and outer electrodes mounted coaxially with a constant gap through which passes the gas to be treated and in which an electric discharge is initiated. Located between the ozonizing elements along their axes are cooling chambers communicating with the gaps of the adjacent ozonizing elements. The inlet and outlet devices for passing the gas to be treated are so arranged in the housing that the gas passes through the ozonizing elements in a direction across their axes.

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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 June 17, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 17, 1997.
  • 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—
GrantedJune 17, 1980
Term endedJune 17, 1997
Patent numberCA 1079685 A
Classification (IPC)H01T19/00

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedJune 17, 1980Term endedJune 17, 1997

Sources & verification

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