Patent US960031A successfully refreshed from Google Patents.
Patent US3196281A successfully refreshed from Google Patents.
US3196281A
Expired / Lapsed
US
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Superconductive circuits
Assignee: International Business Machines Corp
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Filing: 1960-05-16
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Granted: 1965-07-20
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Expires: 1980-05-16
Abstract
No abstract record available.
Inventors
- 👤 Eugene S Schlig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:27
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/856; Y10S505/857; Y10S505/86; Y10S505/862
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A SUPERCONDUCTIVE SWITCHING DEVICE COMPRISING; A PLANAR GATE STRIP OF SUPERCONDUCTOR MATERIAL; A PAIR OF PLANAR GUARD STRIPS OF SUPERCONDUCTOR MATERIAL; SAID GUARD STRIPS BEING POSITIONED LONGITUDINALLY PARALLEL TO AND ON OPPOSITE SIDES OF SAID GATE STRIP; EACH OF SAID GUARD STRIPS BEING EFFECTIVE IN THE ABSENCE OF CURRENT FLOW THERETHROUGH TO INCREASE THE CRITICAL CURRENT OF SUPERCONDUCTIVITY OF SAID GATE STRIP; AND BEING FURTHER EFFECTIVE WHEN CURRENT FLOWS THERETHROUGH TO VARY THE CRITICAL CURRENT OF SUPERCONDUCTIVITY OF SAID GATE STRIP ABOUT SAID INCREASED VALUE, THE VARIATION BEING DETERMINED BY THE MAGNITUDE AND DIRECTION OF CURRENT FLOW THROUGH EACH OF SAID GUARD STRIPS AND CURRENT SUPPLY MEANS COUPLED TO SAID GATE STRIP AND TO EACH OF SAID PAIR OF GUARD STRIPS.
Claim 2
Dependent Claim
121 words
A SUPERCONDUCTIVE SWITCHING DEVICE COMPRISING; A PLANAR GATE STRIP OF SUPERCONDUCTOR MATERIAL; A PAIR OF PLANAR GUARD STRIPS OF SUPERCONDUCTOR MATERIAL; SAID GUARD STRIPS BEING POSITIONED LONGITUDINALLY PARALLEL TO AND ON OPPOSITE SIDES OF SAID GATE STRIP; EACH OF SAID GUARD STRIPS BEING EFFECTIVE IN THE ABSENCE OF CURRENT FLOW THERETHROUGH TO INCREASE THE CRITICAL CURRENT OF SUPERCONDUCTIVITY OF SAID GATE STRIP; AND BEING FURTHER EFFECTIVE WHEN CURRENT FLOWS THERETHROUGH TO VARY THE CRITICAL CURRENT OF SUPERCONDUCTIVITY OF SAID GATE STRIP ABOUT SAID INCREASED VALUE, THE VARIATION BEING DETERMINED BY THE MAGNITUDE AND DIRECTION OF CURRENT FLOW THROUGH EACH OF SAID GUARD STRIPS AND CURRENT SUPPLY MEANS COUPLED TO SAID GATE STRIP AND TO EACH OF SAID PAIR OF GUARD STRIPS.
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |