US3119986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superconductive storage and logic devices with nucleation properties
Assignee: International Business Machines Corp
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Filing: 1959-12-31
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Granted: 1964-01-28
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Expires: 1979-12-31
Abstract
No abstract record available.
Inventors
- 👤 Alan B Fowler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:10
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/831
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A SUPERCONDUCTIVE LOGICAL DEVICE COMPRISING: AN ELEMENT OF SUPERCONDUCTOR MATERIAL CAPABLE OF HAVING A SUPERCONDUCTIVE STATE AND A SUPERCOOLED STATE; FIRST MEANS TO APPLY A FIELD TO SAID ELEMENT TO ESTABLISH SAID SUPERCOOLED STATE THEREIN; SECOND MEANS TO APPLY A FIELD TO A PORTION OF SAID ELEMENT TO ESTABLISH SAID SUPERCONDUCTIVE STATE IN SAID PORTION, WHEREBY SAID SUPERCONDUCTIVE STATE SPREADS ALONG SAID ELEMENT; SAID SECOND MEANS INCLUDING AT LEAST TWO WINDINGS EACH OF WHICH IS WOUND AROUND A SEPARATE PORTION OF SAID ELEMENT; AND THIRD MEANS TO PROVIDE AN OUTPUT SIGNAL AS SAID SUPERCONDUCTIVE STATE SPREADS ALONG SAID ELEMENT.
Claim 2
Dependent Claim
99 words
A SUPERCONDUCTIVE LOGICAL DEVICE COMPRISING: AN ELEMENT OF SUPERCONDUCTOR MATERIAL CAPABLE OF HAVING A SUPERCONDUCTIVE STATE AND A SUPERCOOLED STATE; FIRST MEANS TO APPLY A FIELD TO SAID ELEMENT TO ESTABLISH SAID SUPERCOOLED STATE THEREIN; SECOND MEANS TO APPLY A FIELD TO A PORTION OF SAID ELEMENT TO ESTABLISH SAID SUPERCONDUCTIVE STATE IN SAID PORTION, WHEREBY SAID SUPERCONDUCTIVE STATE SPREADS ALONG SAID ELEMENT; SAID SECOND MEANS INCLUDING AT LEAST TWO WINDINGS EACH OF WHICH IS WOUND AROUND A SEPARATE PORTION OF SAID ELEMENT; AND THIRD MEANS TO PROVIDE AN OUTPUT SIGNAL AS SAID SUPERCONDUCTIVE STATE SPREADS ALONG SAID ELEMENT.
References Cited (Backward Citations)
US2832897A
Cited
US2980807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |