Patent US3739440A successfully refreshed from Google Patents.
US3739440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ozone generator and method of making same
Assignee: Individual
•
Filing: 1971-06-02
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Granted: 1973-06-19
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Expires: 1991-06-02
Abstract
Abstract An ozone generator apparatus and method of making same having inner and outer tubes connected together with spacers therebetween leaving air space between the tubes. The smaller tube has a copper rod attached along its axis and is filled with a brine solution and the larger tube is either metal or has a metallic coating with a voltage source connected between the larger tube and the copper rod. Air is forced and directed between the larger and smaller tubes where ozone is generated.
Inventors
- 👤 N Lund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:40
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/10; C01B13/11; C01B2201/00; C01B2201/10; C01B2201/14; C01B2201/20; C01B2201/24; C01B2201/60; C01B2201/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
The methoD according to claim 1 including the steps of attaching a metallic coating to the outside of said second pipe.
Claim 2
Dependent Claim
24 words
The method according to claim 2 including attaching a flow directing member to one end of said pipes for forcing air between said pipes.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |