Patent US3921827A successfully refreshed from Google Patents.
US3697341A
Expired / Lapsed
US
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Cool burning smokeless powder composition containing nitramine ethers
Assignee: Hercules LLC
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Filing: 1969-08-29
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Granted: 1972-10-10
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Expires: 1989-08-29
Abstract
Abstract COOL BURNING SMOKELESS POWDER COMPOSITIONS PROVIDING HIGH IMPETUS WITH FLAME TEMPERATURES NOT EXCEEDING ABOUT 2900*K. ARE DISCLOSED. THESE SMOKELESS POWDER COMPOSITIONS CONTAIN NITROCELLULOSE, ABOUT 20% NITRAMINE ETHER AND OPTIONALLY CAN CONTAIN NITRAMINE AZIDES.
Inventors
- 👤 Ronald Rosher
- 👤 Ronald L Simmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:29
CPC Classifications
C; C06; C06B; C06B25/00; C06B25/18; C06B25/34
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) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |