Patent US3813305A successfully refreshed from Google Patents.
US3813305A
Expired / Lapsed
US
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High burning rate nf propellants
Assignee: United States Department of the Army
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Filing: 1967-10-31
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Granted: 1974-05-28
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Expires: 1987-10-31
Abstract
Abstract HIGH BURNING RATE SOLID PROPELLANTS HAVING NF-CONTAIN- ING BINDERS. THE PROPELLANT BINDER IS PREFERABLY COMPOSED TOTWO NF2-CONTAINING MATERIALS, THE POLYMER OF (2,3BIS(DIFFLUORAMINO)PROPYL ACRYLATE) AND 1,2,3-TRIS(A,B-BIS(DIFLYORAMINO)ETHOXYL) PROPANE PLASTICIZER. THE PROPELLANT OXIDIZER IS PREFERABLY AMMONIUM PERCHLORATE IN FINELY DIVIDED FROM AND A ALUMINUM POWDER IS THE PREFERRED SOLID PROPELLANT FUEL.
Inventors
- 👤 M Baldwin
- 👤 J Chaille
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:53
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) | 1977-05-27 | 1977-11-26 | 1978-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-27 | 1981-11-26 | 1982-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-27 | 1985-11-26 | 1986-05-28 | $7700.00 | Window Closed / Lapsed |