US2961745A
Expired / Lapsed
US
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Device for assembling magnetic core array
Assignee: International Business Machines Corp
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Filing: 1955-12-29
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Granted: 1960-11-29
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Expires: 1975-12-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Clifford D Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:35
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/04; H; H01; H01F; H01F17/00; H01F17/04; H01F17/06; H01F17/062; H01F41/00; H01F41/02; H01F41/04; H01F41/06; H01F41/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49069; Y10T29/49826; Y10T29/49838; Y10T29/53; Y10T29/5313; Y10T29/53165; Y10T29/53696
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |