US2561014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ozone generator
Assignee: Individual
•
Filing: 1947-08-01
•
Granted: 1951-07-17
•
Expires: 1967-08-01
Abstract
No abstract record available.
Inventors
- 👤 Daily James Marlowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:35
CPC Classifications
F; F02; F02M; F02M25/00; F02M25/10; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US512265A
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US607007A
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US614500A
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US1316342A
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US921903A
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US955818A
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US1050260A
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US1218817A
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US1743202A
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US2128455A
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US2403241A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |