US2950467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple section memory
Assignee: International Business Machines Corp
•
Filing: 1958-01-03
•
Granted: 1960-08-23
•
Expires: 1978-01-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:01
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06007; G11C11/06014; G11C11/06021; G11C11/06028; G11C11/06035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2784391A
Cited
US2809367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |