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US3567620A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus and processes for the manufacture of ozone

Assignee: O-THREE INSTRUMENTS Ltd
•
Filing: 1968-05-06
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Granted: 1971-03-02
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Expires: 1988-05-06
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Abstract

Abstract THE SPECIFICATION DISCLOSES A COMPACT APPARATUS FOR FRESHENING AIR BY THE MANUFACTURE OF OZONE COMPRISING A PLANE METALLIC ELECTRODE, AN INSULATING FILM COVERING ONE SURFACE OF THAT ELECTRODE, AND A PERFORATED METALLIC SHEET, FOR EXAMPLE A SHEET OF METALLIC GAUZE OR A PERFORATED ANODISED ALUMINUM SHEET, IN CONTACT WITH THE SIDE OF THE INSULATING FILM REMOTE FROM THE METALLIC ELECTRODE. AN ELECTRIC POTENTIAL IS APPLIED BETWEEN THE METALLIC ELECTRODE AND THE PERFORAED METALIC SHEET SUFFICIENT FOR PRODUCING OZONE IN THE INTERSTICES OF THE PERFORATED METALLIC SHEET, AND THE INTERSTICES OF THE PERFORATED METALLIC SHEET ARE DIRECTLY ACCESSIBLE TO THE AIR OR ATMOSPHERE TO BE FRESHENED SO THAT THE OZONE WHICH IS PRODUCED IS ABLE TO DISPERSE IMMEDIATELY INTO THE AIR.

Inventors

  • 👤 Rex Peter Ingram

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 18:09
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/10; C01B13/11; C01B2201/00; C01B2201/20; C01B2201/22; C01B2201/30; C01B2201/34

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-03-01 1974-08-31 1975-03-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-03-01 1978-08-31 1979-03-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-03-01 1982-08-31 1983-03-02 $7700.00 Window Closed / Lapsed

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