Patent US2711366A successfully refreshed from Google Patents.
US2711366A
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Blasting explosives
Assignee: Imperial Chemical Industries Ltd
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Filing: 1952-05-05
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Granted: 1955-06-21
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Expires: 1972-05-05
Abstract
No abstract record available.
Inventors
- 👤 Davidson Samuel Henry
- 👤 Sillitto George Percy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:19
CPC Classifications
C; C06; C06B; C06B31/00; C06B31/28; C06B31/32; C06B31/56; C06B23/00; C06B23/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
HIGH POWER GELATINE AND SEMI-GELATINE BLASTING EXPLOSIVE COMPOSITIONS COMPRISING NITROCELLULOSE, AT LEAST 50% BY WEIGHT OF AMMONIUM NITRATE, AT LEAST 15% BY WEIGHT OF A LIQUID EXPLOSIVE NITRIC ESTER SELECTED FROM THE GROUP CONSISTING OF NITROGLYCERINE AND ETHYLENE GLYCOL DINITRATE, AND 0.5% TO 5% BY WEIGHT OF CALCIUM SULPHATE.
Claim 2
Dependent Claim
49 words
HIGH POWER GELATINE AND SEMI-GELATINE BLASTING EXPLOSIVE COMPOSITIONS COMPRISING NITROCELLULOSE, AT LEAST 50% BY WEIGHT OF AMMONIUM NITRATE, AT LEAST 15% BY WEIGHT OF A LIQUID EXPLOSIVE NITRIC ESTER SELECTED FROM THE GROUP CONSISTING OF NITROGLYCERINE AND ETHYLENE GLYCOL DINITRATE, AND 0.5% TO 5% BY WEIGHT OF CALCIUM SULPHATE.
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) | 1958-06-20 | 1958-12-20 | 1959-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-20 | 1962-12-20 | 1963-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-20 | 1966-12-20 | 1967-06-21 | $7700.00 | Window Closed / Lapsed |