US3811967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Highly loaded cast polyurethane propellants containing aluminum
Assignee: United States Department of the Navy
•
Filing: 1966-10-20
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Granted: 1974-05-21
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Expires: 1986-10-20
Abstract
Abstract A CASTABLE SOLID ROCKET PROPALLENT HAVING INCREASED SOLIDS-TO-BINDER RATIO FOR USE IN VOLUME LIMITED MISSILE SYSTEMS.
Inventors
- 👤 C Strickler
- 👤 A Hammond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:49
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B23/00; C06B23/009; Y; Y10; Y10S; Y10S149/00; Y10S149/11; Y10S149/113; Y10S149/114
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-05-20 | 1977-11-19 | 1978-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-20 | 1981-11-19 | 1982-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-20 | 1985-11-19 | 1986-05-21 | $7700.00 | Window Closed / Lapsed |