Patent US2460375A successfully refreshed from Google Patents.
US2460375A
Expired / Lapsed
US
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Granular or powder explosives and their manufacture
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1942-09-19
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Granted: 1949-02-01
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Expires: 1962-09-19
Abstract
No abstract record available.
Inventors
- 👤 Whetstone John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:49
CPC Classifications
C; C06; C06B; C06B21/00; C06B21/0033; C06B21/005; C06B31/00; C06B31/28; C06B31/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1920438A
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US2063572A
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US2130712A
Cited
GB537579A
Cited
US2199218A
Cited
US2353147A
Cited
GB552645A
Cited
US2409919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-01 | 1952-08-02 | 1953-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-01 | 1956-08-02 | 1957-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-01 | 1960-08-02 | 1961-02-01 | $7700.00 | Window Closed / Lapsed |