US3043512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superconductive persistatrons and computer systems formed thereby
Assignee: Duke University
•
Filing: 1958-06-16
•
Granted: 1962-07-10
•
Expires: 1978-06-16
Abstract
No abstract record available.
Inventors
- 👤 Michael J Buckingham
- 👤 William M Fairbank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:26
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; Y10S505/859
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2707223A
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US2866842A
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US2853697A
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US2877448A
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US2930908A
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US2888201A
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US2962216A
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US2962681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |