US3554819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid propellant composition containing a keteneimine as a crosslinking agent
Assignee: United States Department of the Army
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Filing: 1967-08-09
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Granted: 1971-01-12
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Expires: 1987-08-09
Abstract
Abstract THE USE OF A DIKETENEIMINE AS A CROSS-LINKING AGENT IN SOLID PROPELLANT COMPOSITIONS TO IMPROVE THE PROPERTIES AND QUALITY OF THE SOLID PROPELLANT.
Inventors
- 👤 David C Sayles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:13
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C08; C08C; C08C19/00; C08C19/30
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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |