US3395404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Address selection system for memory devices
Assignee: Unisys Corp
•
Filing: 1964-02-05
•
Granted: 1968-07-30
•
Expires: 1984-02-05
Abstract
No abstract record available.
Inventors
- 👤 Eric E Bittmann
- 👤 Jr Sanford V Terrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:00
CPC Classifications
G; G11; G11C; G11C7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3056948A
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US3237015A
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US3231753A
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US3188499A
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US3054905A
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US3210741A
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US3135948A
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US3175203A
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US3339190A
Cited
US3351924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |