US1898073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Delay fuse for drop bombs
Assignee: SECRETARY OF WAR
•
Filing: 1926-09-20
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Granted: 1933-02-21
•
Expires: 1946-09-20
Abstract
No abstract record available.
Inventors
- 👤 David L Woodberry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:55
CPC Classifications
F; F42; F42C; F42C15/00; F42C15/18; F42C15/184; F42C15/28; F42C15/295; F42C9/00; F42C9/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-02-21 | 1936-08-22 | 1937-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-02-21 | 1940-08-22 | 1941-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-02-21 | 1944-08-22 | 1945-02-21 | $7700.00 | Window Closed / Lapsed |