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US3434116A
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Scheme for circumventing bad memory cells
Assignee: International Business Machines Corp
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Filing: 1966-06-15
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Granted: 1969-03-18
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Expires: 1986-06-15
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Anacker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:25
CPC Classifications
G; G11; G11C; G11C29/00; G11C29/70; G11C29/76; G11C11/00; G11C11/02; G11C11/06; G11C11/06007; G11C29/78; G11C29/84; G11C29/846; G11C29/86
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) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |