US3368480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding cone sonobuoy delivery system
Assignee: United States Department of the Navy
•
Filing: 1966-04-15
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Granted: 1968-02-13
•
Expires: 1986-04-15
Abstract
No abstract record available.
Inventors
- 👤 Charles C Payne
- 👤 William R Edwards
- 👤 Clifford L Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:25
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/32; F42B10/48; F42B10/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB120476A
Cited
US2942545A
Cited
US3081703A
Cited
US3061249A
Cited
US3047259A
Cited
US3212110A
Cited
US3228634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |