US2424970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive projectile
Assignee: Individual
•
Filing: 1940-01-19
•
Granted: 1947-08-05
•
Expires: 1960-01-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Church
- 👤 Gregory J Kessenich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:54
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/20; F42B12/201; F42B12/204; F42C; F42C1/00; F42C1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US385332A
Cited
US524903A
Cited
FR516458A
Cited
FR504857A
Cited
CH201314A
Cited
US2276110A
Cited
US2232690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-04 | 1951-02-03 | 1951-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-04 | 1955-02-03 | 1955-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-04 | 1959-02-03 | 1959-08-05 | $7700.00 | Window Closed / Lapsed |