US3288658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerated explosive compositions
Assignee: Hercules LLC
•
Filing: 1965-07-20
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Granted: 1966-11-29
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Expires: 1985-07-20
Abstract
No abstract record available.
Inventors
- 👤 John D Ferguson
- 👤 Jr Robert B Hopler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:28
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN THE MANUFACTURE OF AN INORGANIC OXIDIZER SALT TYPE BLASTING COMPOSITION, WHEREIN WATER, AN INORGANIC OXIDIZER SALT, A SENSITIZER, AND A THICKENER ARE ADMIXED TO FORM A RESULTING BLASTING COMPOSITION OF THE AQUEOUS SLURRY TO THEREBY THE IMPROVEMENT COMPRISING INCORPORATING A GAS INTO THE RESULTING SLURRY IN AN AMOUNT SUFFICIENT TO CAUSE A PREDETERMINED LOWERING OF THE DENSITY OF SAID SLURRY TO THEREBY REGULATE ITS EXPLOSIVE STRENGTH.
Claim 2
Dependent Claim
67 words
IN THE MANUFACTURE OF AN INORGANIC OXIDIZER SALT TYPE BLASTING COMPOSITION, WHEREIN WATER, AN INORGANIC OXIDIZER SALT, A SENSITIZER, AND A THICKENER ARE ADMIXED TO FORM A RESULTING BLASTING COMPOSITION OF THE AQUEOUS SLURRY TO THEREBY THE IMPROVEMENT COMPRISING INCORPORATING A GAS INTO THE RESULTING SLURRY IN AN AMOUNT SUFFICIENT TO CAUSE A PREDETERMINED LOWERING OF THE DENSITY OF SAID SLURRY TO THEREBY REGULATE ITS EXPLOSIVE STRENGTH.
References Cited (Backward Citations)
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 |