Patent US2815930A successfully refreshed from Google Patents.
Patent US3100267A successfully refreshed from Google Patents.
US3100267A
Expired / Lapsed
US
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Superconductive gating devices
Assignee: International Business Machines Corp
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Filing: 1959-10-26
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Granted: 1963-08-06
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Expires: 1979-10-26
Abstract
No abstract record available.
Inventors
- 👤 James W Crowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:35
CPC Classifications
H; H10; H10N; H10N60/00; H10N60/30; H10N60/35; G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/856; Y10S505/857; Y10S505/86; Y10S505/862; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49014
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
114 words
A SUPERCONDUCTIVE DEVICE COMPRISING A FIRST SUPERCONDUCTIVE STRIP DEPOSITED UPON AN INSULATED, SELF-SUPPORTING SUBSTRATUM, A FIRST HEAT-CONDUCTIVE, ELECTRICALLY INSULATED LAYER SUPER-IMPOSED UPON SAID FIRST SUPERCONDUCTIVE STRIP, A SECOND SUPERCONDUCTIVE STRIP DEPOSITED UPON SAID FIRST INSULATED LAYER, AN APERTURE IN SAID SECOND STRIP, SAID APERTURE BEING A COMPLETE APERTURE SAVE FOR A NARROW PORTION OF SAID SECOND SUPERCONDUCTIVE STRIP WHICH FORMS A DIAMETER OF SAID APERTURE, SAID NARROW PORTION LYING IN HEAT-TRANSFERRAL RELATIONSHIP WITH SAID FIRST STRIP, A SECOND ELECTRICALLY INSULATED LAYER SUPERIMPOSED UPON SAID SECOND SUPERCONDUCTIVE STRIP, AND A THIRD SUPERCONDUCTIVE STRIP SUPERIMPOSED UPON SAID SECOND INSULATED LAYER, SAID THIRD SUPERCONDUCTIVE STRIP BEING MAGNETICALLY COUPLED TO SAID SUPERCONDUCTIVE NARROW PORTION OF THE SECOND LAYER.
References Cited (Backward Citations)
US2189122A
Cited
US2717372A
Cited
US2695396A
Cited
US2913881A
Cited
US2977575A
Cited
US2930908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-05 | 1967-02-04 | 1967-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-05 | 1971-02-04 | 1971-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-05 | 1975-02-04 | 1975-08-06 | $7700.00 | Window Closed / Lapsed |