US3397851A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nutation damper assembly
Assignee: United States Department of the Navy
•
Filing: 1967-01-20
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Granted: 1968-08-20
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Expires: 1987-01-20
Abstract
No abstract record available.
Inventors
- 👤 Douglas P Mcnutt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:08
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/02; F42B10/26; F42B10/28; F42B10/30; B; B64; B64G; B64G1/00; B64G1/22; B64G1/24; B64G1/38; F42B10/025; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1257
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |