US3551224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitrated cellulose rocket propellants with amino fluorine containing plasticizer
Assignee: United States Department of the Army
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Filing: 1962-09-10
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Granted: 1970-12-29
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Expires: 1982-09-10
Abstract
No abstract record available.
Inventors
- 👤 Chester W Huskins
- 👤 Clay D Howard
- 👤 Orval E Ayers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:37
CPC Classifications
C; C06; C06B; C06B43/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
55 words
A PROPELLANT COMPOSITION COMPRISING 12 TO 20 WEIGHT PERCENT OF A COMPONENT SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, BORON, LITHIUM, BERYLLIUM AND THEIR HYDRIDES, 15 TO 20 WEIGHT PERCENT NITROCELLULOSE, 34 TO 38 WEIGHT PERCENT PLASTICIZER AND THE BALANCE AN INOROGANIC OXIDIZER, SAID PLASTICIZER BEING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF N$C-R,
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) | 1973-12-28 | 1974-06-29 | 1974-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-28 | 1978-06-29 | 1978-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-28 | 1982-06-29 | 1982-12-29 | $7700.00 | Window Closed / Lapsed |