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US3376555A
Expired / Lapsed
US
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Two-dimensional associative memory system
Assignee: AT&T Inc
•
Filing: 1965-06-18
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Granted: 1968-04-02
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Expires: 1985-06-18
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 23:40
CPC Classifications
G; G11; G11C; G11C15/00; G11C15/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3106698A
Cited
US3141964A
Cited
US3185965A
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US3287702A
Cited
US3287703A
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US3284779A
Cited
US3320594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |