US2879149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosives
Assignee: Individual
•
Filing: 1955-07-15
•
Granted: 1959-03-24
•
Expires: 1975-07-15
Abstract
No abstract record available.
Inventors
- 👤 Brown Frederick Winfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:50
CPC Classifications
C; C06; C06B; C06B43/00; C06B47/00; C06B47/02; C06B47/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
AN EXPLOSIVE COMPOSITION CONSISTING ESSENTIALLY OF AT LEAST ABOUT 10% TO BAOUT 80% BY WEIGHT OF AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF LAMP BLACK AND GAS BLACK, ADMIXED WITH SUFFICIENT AMMONIUM NITRATE TO MAKE 100% BY WEIGHT AND THE RESULTING MIXTURE SATURATED WITH LIQUID OXYGEN.
Claim 2
Dependent Claim
49 words
AN EXPLOSIVE COMPOSITION CONSISTING ESSENTIALLY OF AT LEAST ABOUT 10% TO BAOUT 80% BY WEIGHT OF AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF LAMP BLACK AND GAS BLACK, ADMIXED WITH SUFFICIENT AMMONIUM NITRATE TO MAKE 100% BY WEIGHT AND THE RESULTING MIXTURE SATURATED WITH LIQUID OXYGEN.
References Cited (Backward Citations)
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US2704515A
Cited
US1041745A
Cited
US1131994A
Cited
US1860816A
Cited
US1960907A
Cited
US2406572A
Cited
US2745346A
Cited
US2723188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |