US2628559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive drill
Assignee: CT D ETUDES M B A SOC
•
Filing: 1946-02-12
•
Granted: 1953-02-17
•
Expires: 1966-02-12
Abstract
No abstract record available.
Inventors
- 👤 Jasse Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:17
CPC Classifications
F; F42; F42B; F42B1/00; F42B1/02; F42B3/00; F42B3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB191128030A
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GB191120110A
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US1088606A
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US1440601A
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US1406844A
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US1534011A
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US1534012A
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US1531555A
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US2247169A
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US2419414A
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US2420201A
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US2407093A
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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) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |