US2736308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater spear gun
Assignee: Individual
•
Filing: 1952-10-27
•
Granted: 1956-02-28
•
Expires: 1972-10-27
Abstract
No abstract record available.
Inventors
- 👤 Ferrando Juan Vilarrubis
- 👤 Ferrando Pedro Vilarrubis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:16
CPC Classifications
F; F41; F41B; F41B11/00; F41B11/80; F41B11/83
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US174628A
Cited
US1204803A
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US1818810A
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US2090731A
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US2299073A
Cited
US2267065A
Cited
US2409653A
Cited
US2484844A
Cited
US2635599A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |