Patent US3643146A successfully refreshed from Google Patents.
US2434872A
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Manufacture of compact combustible explosive charges
Assignee: Imperial Chemical Industries Ltd
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Filing: 1944-02-12
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Granted: 1948-01-20
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Expires: 1964-02-12
Abstract
No abstract record available.
Inventors
- 👤 Taylor James
- 👤 Whetstone John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:42
CPC Classifications
C; C06; C06B; C06B23/00; C06B23/007; C06B21/00; C06B21/0033; C06B21/005; Y; Y10; Y10S; Y10S60/00; Y10S60/914
Claims Analysis
Total Claims: 0
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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) | 1951-01-19 | 1951-07-21 | 1952-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-19 | 1955-07-21 | 1956-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-19 | 1959-07-21 | 1960-01-20 | $7700.00 | Window Closed / Lapsed |