Patent US2507459A successfully refreshed from Google Patents.
US2507459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antiblurring device for aerial cameras
Assignee: United States, WAR, Secretary of
•
Filing: 1945-11-27
•
Granted: 1950-05-09
•
Expires: 1965-11-27
Abstract
No abstract record available.
Inventors
- 👤 Sandvik Otto
- 👤 Jasper S Chandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:04
CPC Classifications
G; G03; G03B; G03B15/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1413187A
Cited
US1586071A
Cited
US1612860A
Cited
US1829142A
Cited
US1728633A
Cited
US1787309A
Cited
US1953304A
Cited
US2083646A
Cited
US2370966A
Cited
US2196434A
Cited
US2142350A
Cited
US2333772A
Cited
US2351508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |