US2935739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-aperture core storage circuit
Assignee: Unisys Corp
•
Filing: 1958-06-12
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Granted: 1960-05-03
•
Expires: 1978-06-12
Abstract
No abstract record available.
Inventors
- 👤 Hewitt D Crane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:03
CPC Classifications
G; G11; G11C; G11C19/00; G11C19/02; G11C19/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2802953A
Cited
US2803812A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |