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Patent US2857844A successfully refreshed from Google Patents.
US2857844A
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Explosive assembly
Assignee: Olin Corp
•
Filing: 1956-03-15
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Granted: 1958-10-28
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Expires: 1976-03-15
Abstract
No abstract record available.
Inventors
- 👤 Oliver F Lagemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:33
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/02; Y; Y10; Y10T; Y10T403/00; Y10T403/57; Y10T403/59
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2590671A
Cited
US2317415A
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US2401140A
Cited
GB633017A
Cited
US2396518A
Cited
GB668607A
Cited
US2753762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |