US3734863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogen generating compositions
Assignee: United States Department of the Navy
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Filing: 1971-06-11
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Granted: 1973-05-22
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Expires: 1991-06-11
Abstract
Abstract SOLID COMPOSITIONS, STABLE AT AMBIENT TEMPERATURES. WHICH GENERATE HYDROGEN GAS WHEN HEATED TO INITIATE THE REACTION BETWEEN THE COMPONENTS OF THE COMPOSITION. THE COMPOSITIONS COMPRISE CERTAIN AMMONIUM SALTS SUCH AS NH4CL AND COMPLEX HYDRIDES SUCH AS LIALH4 AND NAALH4 OR CERTAIN HYDRAZINE DERIVATIVES SUCH AS N2H6CL2 AND COMPLEX HYDRIDES SUCH AS NABH4.
Inventors
- 👤 W Beckert
- 👤 O Dengel
- 👤 R Mckain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:45
CPC Classifications
C; C01; C01B; C01B3/00
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) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |