Patent JPS5574202A successfully refreshed from Google Patents.
US2923237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mine fuse
Assignee: Olin Corp
•
Filing: 1957-11-05
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Granted: 1960-02-02
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Expires: 1977-11-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Roy H Bleikamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:11
CPC Classifications
F; F42; F42C; F42C7/00; F42C7/02; F42C7/04; F42C7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR821529A
Cited
US2488547A
Cited
US2555318A
Cited
US2656792A
Cited
US2790387A
Cited
FR1113367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |