Patent US3674578A successfully refreshed from Google Patents.
US3674578A
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Water-in-oil emulsion type blasting agent
Assignee: ETI EXPLOSIVES TECHNOLOGIES INTE
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Filing: 1970-02-17
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Granted: 1972-07-04
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Expires: 1990-02-17
Abstract
Abstract A WATER-IN-OIL EMULSION TYPE BLASTING AGENT CONTAINING INORGANIC OXIDIZING SALT, NITROGEN-BASE SALT, WATER, WATERINSOLUBLE ORGANIC FUEL THAT FORMS A CONTINUOUS OIL PHASE, LIPOPHILIC EMULSIFIER AND GAS BUBBLES.
Inventors
- 👤 George R Cattermole
- 👤 Austin M Cummings
- 👤 William M Lyerly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:46
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/14; C06B47/145; C06B25/00; C06B25/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |