US2741758A
Expired / Lapsed
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Magnetic core logical circuits
Assignee: Unisys Corp
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Filing: 1954-10-28
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Granted: 1956-04-10
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Expires: 1974-10-28
Abstract
No abstract record available.
Inventors
- 👤 Seymour R Cray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:50
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/45; F; F02; F02C; F02C7/00; F02C7/26; F02C7/268; F02C7/275; F02C7/277; G; G06; G06F; G06F7/00; G06F7/38; G06F7/383; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06007; G11C11/06078; H03K19/00; H03K19/02; H03K19/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |