US3455803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ozone producing apparatus and method utilizing a resonant circuit where the capacitance is provided by the reactant fluid
Assignee: Puromatic Inc
•
Filing: 1965-10-22
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Granted: 1969-07-15
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Francis A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:09
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/10; C01B13/11; C01B13/115
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US790655A
Cited
US1169825A
Cited
US1693486A
Cited
US2326601A
Cited
US2615841A
Cited
US3205162A
Cited
US3336099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |