US3042823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed electronic memory
Assignee: International Business Machines Corp
•
Filing: 1958-11-28
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Granted: 1962-07-03
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Expires: 1978-11-28
Abstract
No abstract record available.
Inventors
- 👤 Dennis D Willard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:22
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/38; H01J17/48; H01J17/49; G; G11; G11C; G11C11/00; G11C11/21; G11C11/26; G11C11/28; G11C17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2709042A
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US2624786A
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US2603716A
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US2889538A
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US2825046A
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US2828447A
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US2872664A
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US2890439A
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US2933648A
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US2900572A
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US2847615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |