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US2479909A
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Computing circuit for determining bomb release course
Assignee: AT&T Inc
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Filing: 1945-04-27
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Granted: 1949-08-23
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Expires: 1965-04-27
Abstract
No abstract record available.
Inventors
- 👤 Darlington Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:03
CPC Classifications
H; H03; H03H; H03H11/00; H03H11/02; H03H11/04; H03H11/12; F; F41; F41G; F41G3/00; F41G3/22; F41G3/24; G; G06; G06G; G06G7/00; G06G7/48; G06G7/78; G06G7/80; H03H7/00; H03H7/01; H03H7/075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-22 | 1953-02-21 | 1953-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-22 | 1957-02-21 | 1957-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-22 | 1961-02-21 | 1961-08-23 | $7700.00 | Window Closed / Lapsed |