Patent US4489340A successfully refreshed from Google Patents.
Patent US3182209A successfully refreshed from Google Patents.
US3182209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superconducting switching device utilizing plural control superconductors
Assignee: General Electric Co
•
Filing: 1962-11-01
•
Granted: 1965-05-04
•
Expires: 1982-11-01
Abstract
No abstract record available.
Inventors
- 👤 Robert E Fruin
- 👤 Vernon L Newhouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:54
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; H; H10; H10N; H10N60/00; H10N60/30; H10N60/35; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/856; Y10S505/857; Y10S505/86; Y10S505/862
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A SUPERCONDUCTING GATE SWITCHING DEVICE COMPRISING A GATE SUPERCONDUCTOR FOR CARRYING CURRENT, HAVING CONNECTIONS AT EITHER END THEREOF, A PLURAL CONTROL SUPERCONDUCTORS, SAID PLURAL CONTROL SUPPERCONDUCTOR INCLUDING AT LEAST A FIRST CURRENT CARRYING CONTROL SUPERCONDUCTOR ESTABLISHING A MAGNETIC FIELD AT SAID GATE SUPERCONDUCTOR, AND A SECOND CONTROL SUPERCONDUCTOR WIDER THAN SAID FIRST CONTROL SUPERCONDUCTOR INTERPOSED BETWEEN SAID FIRST SUPERCONDUCTOR AND SAID GATE SUPERCONDUCTOR AND ADJOINING SAID GATE SUPERCONDUCTOR, THE MAGNETIC FIELD FLUX EXTABLISHED BY CURRENT FLOW IN SAID FIRST SUPERCONDUCTOR PASSING AROUND THE GREATER WIDTH OF SAID SECOND CONTROL SUPERCONDUCTOR IN ESTABLISHING SAID MAGNETIC FIELD AT SAID GATE SUPERCONDUCTOR.
Claim 2
Dependent Claim
99 words
A SUPERCONDUCTING GATE SWITCHING DEVICE COMPRISING A GATE SUPERCONDUCTOR FOR CARRYING CURRENT, HAVING CONNECTIONS AT EITHER END THEREOF, A PLURAL CONTROL SUPERCONDUCTORS, SAID PLURAL CONTROL SUPPERCONDUCTOR INCLUDING AT LEAST A FIRST CURRENT CARRYING CONTROL SUPERCONDUCTOR ESTABLISHING A MAGNETIC FIELD AT SAID GATE SUPERCONDUCTOR, AND A SECOND CONTROL SUPERCONDUCTOR WIDER THAN SAID FIRST CONTROL SUPERCONDUCTOR INTERPOSED BETWEEN SAID FIRST SUPERCONDUCTOR AND SAID GATE SUPERCONDUCTOR AND ADJOINING SAID GATE SUPERCONDUCTOR, THE MAGNETIC FIELD FLUX EXTABLISHED BY CURRENT FLOW IN SAID FIRST SUPERCONDUCTOR PASSING AROUND THE GREATER WIDTH OF SAID SECOND CONTROL SUPERCONDUCTOR IN ESTABLISHING SAID MAGNETIC FIELD AT SAID GATE SUPERCONDUCTOR.
References Cited (Backward Citations)
US2989714A
Cited
US3116422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-03 | 1968-11-02 | 1969-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-03 | 1972-11-02 | 1973-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-03 | 1976-11-02 | 1977-05-04 | $7700.00 | Window Closed / Lapsed |