US3738878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High burning rate solid propellant having a silicon-carboranyl copolymer fuel binder
Assignee: ATK Launch Systems LLC
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Filing: 1967-11-02
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Granted: 1973-06-12
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Expires: 1987-11-02
Abstract
Abstract HIGH BURNING RATE SOLID PROPELLANTS HAVING FUEL-BINDERS BASED ON CARBORANYL COPOLYMERS HAVING THE RECURRING STRUCTURAL UNITS: R-(CB10H10C)-(CH2)N-SI(-R1)(-O(-))-O-SI(-R2)(-R3)- WHEREIN R, R1, R2 AND R3 ARE SELECTED FROM HYDROGEN, ALIPHATIC, CYCLOALIPHATIC AND ARYL RADICALS AND N IS AN INTEGER INCLUDING ZERO.
Inventors
- 👤 J Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:12
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B45/105
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) | 1976-06-11 | 1976-12-11 | 1977-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-11 | 1980-12-11 | 1981-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-11 | 1984-12-11 | 1985-06-12 | $7700.00 | Window Closed / Lapsed |