Patent EP0365269B1 successfully refreshed from Google Patents.
US2960690A
Expired / Lapsed
US
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Computer input-output system
Assignee: Litton Industries of California
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Filing: 1956-11-26
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Granted: 1960-11-15
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Expires: 1976-11-26
Abstract
No abstract record available.
Inventors
- 👤 Daniel L Curtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:03
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/60; G06J; G06J1/00; H; H03; H03M; H03M1/00; H03M1/12; H03M1/124; H03M1/1245; H03M1/126
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) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |