US2964031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater gun and projectile for spear fishing
Assignee: Individual
•
Filing: 1955-10-28
•
Granted: 1960-12-13
•
Expires: 1975-10-28
Abstract
No abstract record available.
Inventors
- 👤 Donald A Dotson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:57
CPC Classifications
F; F41; F41B; F41B11/00; F41B11/80; F41B11/83; F42; F42B; F42B30/00; F42B30/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2006030A
Cited
US2289490A
Cited
US2267065A
Cited
US2375314A
Cited
US2521135A
Cited
US2588184A
Cited
US2496217A
Cited
FR1020589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |