US2932251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ammonium nitrate explosive
Assignee: Olin Corp
•
Filing: 1956-04-23
•
Granted: 1960-04-12
•
Expires: 1976-04-23
Abstract
No abstract record available.
Inventors
- 👤 Norl A Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:53
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/12; C06B45/04; C06B45/06; C06B45/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A SELF-CONTAINED EXPLOSIVE CARTRIDGE HAVING TWO SUBSTANTIALLY PARALLEL ENDS AND COMPRISING A COHESIVE CONSOLIDATED EXPLOSIVE CHARGE CONSISTING ESSENTIALLY OF FROM ABOUT 90 PERCENT TO ABOUT 96 PERCENT BY WEIGHT GRANULAR AMMONIUM NITRATE HAVING FROM ABOUT 3 PERCENT TO ABOUT 7 PERCENT TRINITROTOLUENE AND FROM ABOUT 1 PERCENT TO ABOUT 3 PERCENT BINDER CLINGING TO THE SURFACE OF THE GRANULES, SAID CHARGE HAVING A DENSITY OF FROM ABOUT 1.1 GRAMS PER CUBIC CENTIMETER TO ABOUT 1.3 GRAMS PER CUBIC CENTIMETER, AND AN ADHERENT PROTECTIVE COATING ON THE CHARGE CONSISTING ESSENTIALLY OF FROM ABOUT 40 PERCENT TO ABOUT 57 PERCENT POLYVINLY ACETATE-POLYVINYL CHLORIDE COPOLYMER, ABOUT 40 PERCENT TO ABOUT 50 PERCENT GELATINIZED NITROCELLULOSE AND FROM ABOUT 3 PERCENT TO ABOUT 6 PERCENT PLASTICIZER FOR THE NITROCELLULOSE.
Claim 2
Dependent Claim
124 words
A SELF-CONTAINED EXPLOSIVE CARTRIDGE HAVING TWO SUBSTANTIALLY PARALLEL ENDS AND COMPRISING A COHESIVE CONSOLIDATED EXPLOSIVE CHARGE CONSISTING ESSENTIALLY OF FROM ABOUT 90 PERCENT TO ABOUT 96 PERCENT BY WEIGHT GRANULAR AMMONIUM NITRATE HAVING FROM ABOUT 3 PERCENT TO ABOUT 7 PERCENT TRINITROTOLUENE AND FROM ABOUT 1 PERCENT TO ABOUT 3 PERCENT BINDER CLINGING TO THE SURFACE OF THE GRANULES, SAID CHARGE HAVING A DENSITY OF FROM ABOUT 1.1 GRAMS PER CUBIC CENTIMETER TO ABOUT 1.3 GRAMS PER CUBIC CENTIMETER, AND AN ADHERENT PROTECTIVE COATING ON THE CHARGE CONSISTING ESSENTIALLY OF FROM ABOUT 40 PERCENT TO ABOUT 57 PERCENT POLYVINLY ACETATE-POLYVINYL CHLORIDE COPOLYMER, ABOUT 40 PERCENT TO ABOUT 50 PERCENT GELATINIZED NITROCELLULOSE AND FROM ABOUT 3 PERCENT TO ABOUT 6 PERCENT PLASTICIZER FOR THE NITROCELLULOSE.
References Cited (Backward Citations)
US953798A
Cited
US1917540A
Cited
US2069612A
Cited
US2171379A
Cited
US2312752A
Cited
US2356149A
Cited
US2463709A
Cited
US2775200A
Cited
US2752848A
Cited
US2826485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |