Patent US3053451A successfully refreshed from Google Patents.
US3053451A
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US
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Superconductor circuits
Assignee: International Business Machines Corp
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Filing: 1958-11-18
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Granted: 1962-09-11
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Expires: 1978-11-18
Abstract
No abstract record available.
Inventors
- 👤 James B Mackay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:50
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/381; G11; G11C; G11C11/00; G11C11/21; G11C11/44; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/856; Y10S505/857; Y10S505/858
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2693907A
Cited
US2949602A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |