Patent US2568433A successfully refreshed from Google Patents.
US2568433A
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US
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Propulsion assembly for torpedoes
Assignee: Individual
•
Filing: 1946-11-21
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Granted: 1951-09-18
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Expires: 1966-11-21
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Daly
- 👤 Paul M Hogue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:04
CPC Classifications
F; F42; F42B; F42B19/00; F42B19/12; F42B19/24; F42B19/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US748759A
Cited
US1126183A
Cited
US1378291A
Cited
US1610661A
Cited
US1973545A
Cited
US2414928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |