US3362697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ozone water treatment plant
Assignee: Welsbach Corp
•
Filing: 1967-01-26
•
Granted: 1968-01-09
•
Expires: 1987-01-26
Abstract
No abstract record available.
Inventors
- 👤 Rene N Silva
- 👤 Gerard M Salazar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:47
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/10; C01B13/11; C02; C02F; C02F1/00; C02F1/72; C02F1/78; C01B2201/00; C01B2201/20; C01B2201/22; Y; Y10; Y10S; Y10S261/00; Y10S261/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US545392A
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US755705A
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US1047534A
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US1366494A
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US1363589A
Cited
US1822323A
Cited
US2149362A
Cited
US2582826A
Cited
US2591343A
Cited
US3083148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |