US3108917A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tnt-tetraborate gelled aqueous explosive slurry
Assignee: PPG Architectural Coatings Canada Inc
•
Filing: 1962-04-09
•
Granted: 1963-10-29
•
Expires: 1982-04-09
Abstract
No abstract record available.
Inventors
- 👤 Mcirvine John Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:20
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
AN IMPROVED EXPLOSIVE BLASTING AGENT CONSISTING ESSENTIALLY OF A COHESIVE GELLED AQUEOUS SLURRY OF AT LEAST ONE INORGANIC SALT, GRANULAR TRINITROTOLUENE, A GEL-FORMING MANNOGALACTAN AND A SUBSTANTIALLY ANHYDROUS FUSED GLOSSY METALLIC TETRABORATE IN A CONCENTRATION CALCULATED AS B2O3, OF FROM 2% TO 10% BY WEIGHT OF SAID MANNOGALACTAN, THE PARTICLE SIZE OF AT LEAST 7/8 OF SAID TETRABORATE BEING LARGER THAN A 50 TYLER MESH.
Claim 2
Dependent Claim
65 words
AN IMPROVED EXPLOSIVE BLASTING AGENT CONSISTING ESSENTIALLY OF A COHESIVE GELLED AQUEOUS SLURRY OF AT LEAST ONE INORGANIC SALT, GRANULAR TRINITROTOLUENE, A GEL-FORMING MANNOGALACTAN AND A SUBSTANTIALLY ANHYDROUS FUSED GLOSSY METALLIC TETRABORATE IN A CONCENTRATION CALCULATED AS B2O3, OF FROM 2% TO 10% BY WEIGHT OF SAID MANNOGALACTAN, THE PARTICLE SIZE OF AT LEAST 7/8 OF SAID TETRABORATE BEING LARGER THAN A 50 TYLER MESH.
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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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |