US3543296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data storage cell for multi-stable associative memory system
Assignee: International Business Machines Corp
•
Filing: 1968-06-28
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Granted: 1970-11-24
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Expires: 1988-06-28
Abstract
No abstract record available.
Inventors
- 👤 Peter A F Gardner
- 👤 Michael H Hallett
- 👤 Peter J Titman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:48
CPC Classifications
G; G11; G11C; G11C15/00; G11C15/04; H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/29
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3295031A
Cited
US3423737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |