US2946900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Redundant transistor flip-flops
Assignee: Litton Industries of California
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Filing: 1957-11-20
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Granted: 1960-07-26
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Expires: 1977-11-20
Abstract
No abstract record available.
Inventors
- 👤 Leon H Steinman
- 👤 Merritt L Mac-Knight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:03
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/16; G06F11/18; G06F11/187; G06F11/188; H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/286; H03K3/289
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) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |