US3740279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethylene copolymer composite propellant
Assignee: Hercules LLC
•
Filing: 1970-12-21
•
Granted: 1973-06-19
•
Expires: 1990-12-21
Abstract
Abstract COMPOSITE PROPELLANT COMPOSITIONS HAVING SUPERIOR LPHYSICAL PROPERTIES AND PERFORMANCE CHARACTERISTICS CONTAIN SOLID OXIDIZER AND AS THE BINDER FUEL, COLLOIDALLY DISPERSIBLE CRYSTALLIZABLE COPOLYMER OF ETHYLENE AND 2 TO 25 MOLE PERCENT OF AT LEAST ONE OTHER MONOMER WHICH IS AN A-OLEFIN AND/OR A NON-CONJUGATED HYDROCARBON DIENE.
Inventors
- 👤 D Levering
- 👤 C Lukach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:40
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; Y; Y10; Y10S; Y10S149/00; Y10S149/11; Y10S149/113
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |