Patent US2081830A successfully refreshed from Google Patents.
US2736262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low density safety ammonium nitrate
Assignee: —
•
Filing: —
•
Granted: 1956-02-28
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Expires: 1973-02-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:45
CPC Classifications
C; C06; C06B; C06B23/00; C06B23/02; Y; Y10; Y10S; Y10S102/00; Y10S102/704
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
42 words
A LOW DENSITY SAFETY AMMONIUM NITRATE BLASTING POWDER EXPLOSIVE COMPOSITION OF THE KIND INCLUDING SODIUM CHLORIDE AS THE SOLE FLAME-QUENCHING INGREDIENT CHARACTERIZED IN THAT THE SODIUM CHLORIDE IS DENDRITIC AND HAS A BULK DENSITY NOT EXCEEDING 0.9 GM./CC. AT 1.7 ATMOSPHERES PRESSURE.
Claim 2
Dependent Claim
42 words
A LOW DENSITY SAFETY AMMONIUM NITRATE BLASTING POWDER EXPLOSIVE COMPOSITION OF THE KIND INCLUDING SODIUM CHLORIDE AS THE SOLE FLAME-QUENCHING INGREDIENT CHARACTERIZED IN THAT THE SODIUM CHLORIDE IS DENDRITIC AND HAS A BULK DENSITY NOT EXCEEDING 0.9 GM./CC. AT 1.7 ATMOSPHERES PRESSURE.
Claim 3
Dependent Claim
43 words
IN A PROCESS FOR THE PRODUCTION OF A LOW DENSITY SAFETY AMMONIUM NITRATE BLASTING POWDER EXPLOSIVE COMPOSITION, THE STEP OF ADDING TO SAID COMPOSITION DENDRITIC SODIUM CHLORIDE HAVING A DENSITY NOT EXCEEDING 0.9 G./CC. AT 1.7 ATMOSPHERES PRESSURE AS THE SOLE FLAME-QUENCHING INGREDIENT.
Claim 4
Dependent Claim
43 words
IN A PROCESS FOR THE PRODUCTION OF A LOW DENSITY SAFETY AMMONIUM NITRATE BLASTING POWDER EXPLOSIVE COMPOSITION, THE STEP OF ADDING TO SAID COMPOSITION DENDRITIC SODIUM CHLORIDE HAVING A DENSITY NOT EXCEEDING 0.9 G./CC. AT 1.7 ATMOSPHERES PRESSURE AS THE SOLE FLAME-QUENCHING INGREDIENT.
Claim 5
Dependent Claim
35 words
A BLASTING CARTRIDGE CONTAINING A LOW DENSITY SAFETY AMMONIUM NITRATE BLASTING POWDER EXPLOSIVE COMPOSITION INCLUDING DENDRITIC SODIUM CHLLORIDE HAVING A BULK DENSITY NOT EXCEEDING 0.9 G./CC. AT 1.7 ATMOSPHERES PRESSURE AS THE SOLE FLAME-QUENCHING INGREDIENT.
Claim 6
Dependent Claim
35 words
A BLASTING CARTRIDGE CONTAINING A LOW DENSITY SAFETY AMMONIUM NITRATE BLASTING POWDER EXPLOSIVE COMPOSITION INCLUDING DENDRITIC SODIUM CHLLORIDE HAVING A BULK DENSITY NOT EXCEEDING 0.9 G./CC. AT 1.7 ATMOSPHERES PRESSURE AS THE SOLE FLAME-QUENCHING INGREDIENT.
References Cited (Backward Citations)
US2087285A
Cited
GB595443A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |