US2853038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabricated aluminum shell structure for a torpedo
Assignee: Individual
•
Filing: 1952-08-18
•
Granted: 1958-09-23
•
Expires: 1972-08-18
Abstract
No abstract record available.
Inventors
- 👤 Edward R Hess
- 👤 Thomas A Daly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:19
CPC Classifications
F; F42; F42B; F42B19/00; B; B21; B21D; B21D53/00; F42B19/005; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49892
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1441304A
Cited
US1547329A
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US1684145A
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US2121670A
Cited
US2612857A
Cited
US2572116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |