US3187236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for insulating superconducting devices
Assignee: North American Aviation Corp
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Filing: 1962-03-19
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Granted: 1965-06-01
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Expires: 1982-03-19
Abstract
No abstract record available.
Inventors
- 👤 Don H Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:37
CPC Classifications
H; H01; H01F; H01F6/00; H01F6/02; H10; H10N; H10N60/00; H10N60/80; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/879
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN A SUPERCONDUCITNG ELECTROMAGNET COMPRISING A COIL WOUND ON A MAGNET FORM, THE COIL HAVING A PLURALITY OF LAYERS OF BARE SUPERCONDUCTING WIRE WITH EACH LAYER HAVING A PLURALITY OF ADJOINING TURNS IN DIRECT CONTACT, WHEREIN WHEN SAID MAGNET IN AN ENERGIZED SUPERCONDUCTIVE STATE GOES TO A NORMALLY CONDUCTIVE STATE, SUBSTANTIAL VOLTAGE STRESSES OCCUR ORDINARILY DAMAGING TO DIELECTRIC MATERIAL PRESENT FOR PROVIDING INSULATION BETWEEN ADJACENT COIL LAYERS OF THE MAGNET, WHEREBY THE LIFE OF THE MAGNET IS SHORTENED, IMPROVEMENT FOR INCREASING MAGNET LIFE COMPRISING A THIN SHEET OF NORMALLY CONDUCTIVE MATERIAL POSITIONED BETWEEN SAID ADJACENT COIL LAYERS.
Claim 2
Dependent Claim
97 words
IN A SUPERCONDUCITNG ELECTROMAGNET COMPRISING A COIL WOUND ON A MAGNET FORM, THE COIL HAVING A PLURALITY OF LAYERS OF BARE SUPERCONDUCTING WIRE WITH EACH LAYER HAVING A PLURALITY OF ADJOINING TURNS IN DIRECT CONTACT, WHEREIN WHEN SAID MAGNET IN AN ENERGIZED SUPERCONDUCTIVE STATE GOES TO A NORMALLY CONDUCTIVE STATE, SUBSTANTIAL VOLTAGE STRESSES OCCUR ORDINARILY DAMAGING TO DIELECTRIC MATERIAL PRESENT FOR PROVIDING INSULATION BETWEEN ADJACENT COIL LAYERS OF THE MAGNET, WHEREBY THE LIFE OF THE MAGNET IS SHORTENED, IMPROVEMENT FOR INCREASING MAGNET LIFE COMPRISING A THIN SHEET OF NORMALLY CONDUCTIVE MATERIAL POSITIONED BETWEEN SAID ADJACENT COIL LAYERS.
References Cited (Backward Citations)
US2444737A
Cited
US3109963A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |