Patent US3391390A successfully refreshed from Google Patents.
US3391390A
Expired / Lapsed
US
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Information storage and processing system utilizing associative memory
Assignee: AT&T Inc
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Filing: 1964-09-09
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Granted: 1968-07-02
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Expires: 1984-09-09
Abstract
No abstract record available.
Inventors
- 👤 Bently A Crane
- 👤 John A Githens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:57
CPC Classifications
G; G11; G11C; G11C15/00; G11C15/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3287702A
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US3284779A
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US3292159A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |