US3288065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Booster and method of detonating explosive
Assignee: BARCLAYS/AMERICAN/BUSINESS CREDIT Inc A CORP OF CT
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Filing: 1964-11-10
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Granted: 1966-11-29
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Expires: 1984-11-10
Abstract
No abstract record available.
Inventors
- 👤 Jr George H Tousley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:32
CPC Classifications
F; F42; F42D; F42D1/00; F42D1/04; F42B; F42B3/00; F42B3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN AN EXPLOSIVE ARRANGEMENT FOR A LARGE DIAMTER BOREHOLE BLASTING OPERATION COMPRISING A BLASTING EXPLOSIVE UNRELIABLY SENSITIVE TO BLASTING CAPS AND DETONATING FUSE AND SELECTED FROM THE GROUP CONSISTING OF NITROCARBO-NITRATE BLASTING AGENTS AND SLURRY BLASTING AGENTS CONTAINING AMMONIUM NITRATE, WATER AND A SENSITIZER, THE IMPROVEMENT OF A BOOSTER FOR RELIABLY DETONATING SAID BLASTING EXPLOSIVE CONSISTING OF A COMPACTED CORE OF EXPLOSIVE MATERIAL GENERALLY INSENSITIVE TO DETONATING FUSE, SAID CORE HAVING THREE BORES EXTENDING THERETHROUGH, EACH TWO OF SAID BORES BEING SPACED BY A WEB HAVING A THICKNESS OF ABOUT 1/16 TO 3/16 INCH, A DETONATING FUSE THREADED THROUGH TWO OF SAID BORES AND AN INITIATOR FOR SAID DETONATING FUSE IN THE THIRD OF SAID BORES.
Claim 2
Dependent Claim
116 words
IN AN EXPLOSIVE ARRANGEMENT FOR A LARGE DIAMTER BOREHOLE BLASTING OPERATION COMPRISING A BLASTING EXPLOSIVE UNRELIABLY SENSITIVE TO BLASTING CAPS AND DETONATING FUSE AND SELECTED FROM THE GROUP CONSISTING OF NITROCARBO-NITRATE BLASTING AGENTS AND SLURRY BLASTING AGENTS CONTAINING AMMONIUM NITRATE, WATER AND A SENSITIZER, THE IMPROVEMENT OF A BOOSTER FOR RELIABLY DETONATING SAID BLASTING EXPLOSIVE CONSISTING OF A COMPACTED CORE OF EXPLOSIVE MATERIAL GENERALLY INSENSITIVE TO DETONATING FUSE, SAID CORE HAVING THREE BORES EXTENDING THERETHROUGH, EACH TWO OF SAID BORES BEING SPACED BY A WEB HAVING A THICKNESS OF ABOUT 1/16 TO 3/16 INCH, A DETONATING FUSE THREADED THROUGH TWO OF SAID BORES AND AN INITIATOR FOR SAID DETONATING FUSE IN THE THIRD OF SAID BORES.
References Cited (Backward Citations)
CA599612A
Cited
CA599614A
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US2586541A
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US2775200A
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US2755735A
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US3037453A
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US3212438A
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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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |