Patent US3270247A successfully refreshed from Google Patents.
US3270247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective circuit for removing energy from superconducting coils
Assignee: General Electric Co
•
Filing: 1964-10-01
•
Granted: 1966-08-30
•
Expires: 1984-10-01
Abstract
No abstract record available.
Inventors
- 👤 Carl H Rosner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:45
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/001; H01; H01F; H01F6/00; H01F6/006; H01F6/008; Y; Y02; Y02E; Y02E40/00; Y02E40/60; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/85
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
APPARATUS FOR PROTECTING A SUPERCONDUCTING COIL DISPOSED IN AN OPERATING CIRCUIT AND SUBJECT TO TRANSITIONS TO A STATE OF NORMAL CONDUCTION COMPRISING SENSING MEANS RESPONSIVE TO THE OCCURRENCE OF A POTENTIAL GRADIENT WITHIN SAID COIL FOR DETECTING A TRANSITION; SWITCHING MEANS RESPONSIVE TO SAID SENSING MEANS FOR DISCONNECTING SAID COIL FROM SAID OPERATING CIRCUIT; AND VOLTAGE LIMITING ENERGY TRANSFER MEANS RESPONSIVE TO A POTENTIAL GRADIENT WITHIN SAID COIL CONNECTED TO SAID COIL FOR LIMITING THE POTENTIAL GRADIENT ACROSS SAID COIL WHILE REMOVING ENERGY THEREFROM.
Claim 2
Dependent Claim
84 words
APPARATUS FOR PROTECTING A SUPERCONDUCTING COIL DISPOSED IN AN OPERATING CIRCUIT AND SUBJECT TO TRANSITIONS TO A STATE OF NORMAL CONDUCTION COMPRISING SENSING MEANS RESPONSIVE TO THE OCCURRENCE OF A POTENTIAL GRADIENT WITHIN SAID COIL FOR DETECTING A TRANSITION; SWITCHING MEANS RESPONSIVE TO SAID SENSING MEANS FOR DISCONNECTING SAID COIL FROM SAID OPERATING CIRCUIT; AND VOLTAGE LIMITING ENERGY TRANSFER MEANS RESPONSIVE TO A POTENTIAL GRADIENT WITHIN SAID COIL CONNECTED TO SAID COIL FOR LIMITING THE POTENTIAL GRADIENT ACROSS SAID COIL WHILE REMOVING ENERGY THEREFROM.
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |