US2432920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation-controlled release for aerial bombs or other loads
Assignee: Individual
•
Filing: 1942-04-29
•
Granted: 1947-12-16
•
Expires: 1962-04-29
Abstract
No abstract record available.
Inventors
- 👤 Mckay Herbert Couchman
- 👤 Martinek Anthony
- 👤 Foster Warren Dunham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:45
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/32; F42B10/48; F42B10/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US975281A
Cited
GB191225355A
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US1403159A
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US1506785A
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GB352035A
Cited
US1894954A
Cited
US2137598A
Cited
US2144056A
Cited
US2255245A
Cited
US2317256A
Cited
US2349009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-15 | 1951-06-16 | 1951-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-15 | 1955-06-16 | 1955-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-15 | 1959-06-16 | 1959-12-16 | $7700.00 | Window Closed / Lapsed |