US3046887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive system containing ammonium nitrate
Assignee: Consolidation Coal Co
•
Filing: 1958-07-07
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Granted: 1962-07-31
•
Expires: 1978-07-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Stuart R Brinkley
- 👤 Elbe Guenther Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:54
CPC Classifications
C; C06; C06B; C06B31/00; C06B31/28; C06B31/285
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
AN EXPLOSIVE SYSTEM COMPRISING A MAIN EXPLOSIVE CHARGE, A PRIMER CHARGE AND AN INTIATOR, SAID MAIN EXPLOSIVE CHARGE BEING CAP-INSENSITIVE, SAID PRIMER CHARGE BEING SENSITIVE TO BLASTING CAPS AND DETONATING FUSE INITIATORS AND CONSISTING ESSENTIALLY OF FINELY DIVIDED AMMONIUM NITRATE HOMOGENEOUSLY ADMIXED WITH 0.5 TO 3.5 PERCENT BY WEIGHT OF LIQUEFIABLE HYDROCARBONS, SAID AMMONI-
Claim 2
Dependent Claim
54 words
AN EXPLOSIVE SYSTEM COMPRISING A MAIN EXPLOSIVE CHARGE, A PRIMER CHARGE AND AN INTIATOR, SAID MAIN EXPLOSIVE CHARGE BEING CAP-INSENSITIVE, SAID PRIMER CHARGE BEING SENSITIVE TO BLASTING CAPS AND DETONATING FUSE INITIATORS AND CONSISTING ESSENTIALLY OF FINELY DIVIDED AMMONIUM NITRATE HOMOGENEOUSLY ADMIXED WITH 0.5 TO 3.5 PERCENT BY WEIGHT OF LIQUEFIABLE HYDROCARBONS, SAID AMMONI-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |