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US3496580A
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Inflatable and recoverable lifesaving projectile apparatus
Assignee: CHIEF OF NAVAL OPERATIONS OFF
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Filing: 1968-04-29
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Granted: 1970-02-24
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Expires: 1988-04-29
Abstract
No abstract record available.
Inventors
- 👤 Robert H Gulmon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:11
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B12/56; F42B12/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2496479A
Cited
GB903198A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |