US3431854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Passive separation system
Assignee: United States Department of the Navy
•
Filing: 1967-08-04
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Granted: 1969-03-11
•
Expires: 1987-08-04
Abstract
No abstract record available.
Inventors
- 👤 David W Rabenhorst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:12
CPC Classifications
B; B64; B64G; B64G1/00; B64G1/22; B64G1/64; B64G1/641; B64G1/642; B64G1/645; B64G1/6459
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3128845A
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US2717309A
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US3029735A
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US3174706A
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US3170655A
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US3264948A
Cited
US3319978A
Cited
US3286630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |