US2438112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bombsight computer
Assignee: AT&T Inc
•
Filing: 1943-06-29
•
Granted: 1948-03-23
•
Expires: 1963-06-29
Abstract
No abstract record available.
Inventors
- 👤 Darlington Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:59
CPC Classifications
F; F41; F41G; F41G3/00; F41G3/22; F41G3/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1542534A
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US1584182A
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US2105147A
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US2113436A
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US2134901A
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US2162699A
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US2297448A
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US2244369A
Cited
US2407325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-23 | 1951-09-22 | 1952-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-23 | 1955-09-22 | 1956-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-23 | 1959-09-22 | 1960-03-23 | $7700.00 | Window Closed / Lapsed |