US2139665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerial bomb
Assignee: ELISE P ADAMS
•
Filing: 1937-01-22
•
Granted: 1938-12-13
•
Expires: 1957-01-22
Abstract
No abstract record available.
Inventors
- 👤 Norman N Booker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:16
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B12/56; F42B12/58; F42B12/62; F42B12/625; F42C; F42C1/00; F42C1/14; F42C15/00; F42C15/28; F42C15/295
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) | 1941-12-12 | 1942-06-13 | 1942-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-12-12 | 1946-06-13 | 1946-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-12-12 | 1950-06-13 | 1950-12-13 | $7700.00 | Window Closed / Lapsed |