Patent US2839374A successfully refreshed from Google Patents.
US2839374A
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Explosive compositions
Assignee: Imperial Chemical Industries Ltd
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Filing: 1953-11-02
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Granted: 1958-06-17
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Expires: 1973-11-02
Abstract
No abstract record available.
Inventors
- 👤 Taylor James
- 👤 Reid Thomas James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:35
CPC Classifications
C; C06; C06B; C06B31/00; C06B31/28; C06B31/32; C06B31/38; C06B23/00; C06B23/04; C06B31/42; Y; Y10; Y10S; Y10S149/00; Y10S149/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A SAFETY AMMONIUM NITRATE BLASTING EXPLOSIVE POWDER CONSISTING ESSENTIALLY OF ABOUT 5 TO 12% BY WEIGHT TRINITROTOLUNE, ABOUT 28 TO 65% BY WEIGHT AMMONIUM WHEREIN THE AMMONIUM NITRATE AND TRINITROTOLUENE CONSIST OF FINE PARTICLES IN INTIMATE ADMIXTURE AND WHEREIN AT LEAST 10% BY WEIGHT OF THE SODIUM CHLORIDE IS RETAINABLE ON A 120 B. S. S. SIEZE AND NOT MORE THAN 25% BY WEIGHT OF THE SODIUM CHLORIDE PASSES A 120 B. S. S. SIEVE.
Claim 2
Dependent Claim
75 words
A SAFETY AMMONIUM NITRATE BLASTING EXPLOSIVE POWDER CONSISTING ESSENTIALLY OF ABOUT 5 TO 12% BY WEIGHT TRINITROTOLUNE, ABOUT 28 TO 65% BY WEIGHT AMMONIUM WHEREIN THE AMMONIUM NITRATE AND TRINITROTOLUENE CONSIST OF FINE PARTICLES IN INTIMATE ADMIXTURE AND WHEREIN AT LEAST 10% BY WEIGHT OF THE SODIUM CHLORIDE IS RETAINABLE ON A 120 B. S. S. SIEZE AND NOT MORE THAN 25% BY WEIGHT OF THE SODIUM CHLORIDE PASSES A 120 B. S. S. SIEVE.
References Cited (Backward Citations)
US2613146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |