US2914748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage matrix access circuits
Assignee: AT&T Inc
•
Filing: 1956-12-10
•
Granted: 1959-11-24
•
Expires: 1976-12-10
Abstract
No abstract record available.
Inventors
- 👤 John R Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:46
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2736880A
Cited
US2717373A
Cited
US2734187A
Cited
US2655625A
Cited
US2734185A
Cited
US2781504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |