Patent US3265939A successfully refreshed from Google Patents.
US3265939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superconductive coil having a ferromagnetic layer thereon
Assignee: National Research Corp
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Filing: 1963-09-20
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Granted: 1966-08-09
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Expires: 1983-09-20
Abstract
No abstract record available.
Inventors
- 👤 Rinderer Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:24
CPC Classifications
H; H01; H01F; H01F6/00; H01F6/06; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/88; Y10S505/884; Y10S505/887
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
AN IMPROVED SPIRALLY WOUND SUPERCONDUCTIVE ELECTROMAGNET COIL FOR GENERATING HIGH MAGNETIC FIELDS FROM ELECTRIC CURRENT FLOWING THROUGH THE COIL, THE COIL BEING WOUND FROM WIRE COMPRISING ADJACENT LAYERS IN THE WIRE OF FIRST AND SECOND SUPERCONDUCTIVE MATERIAL, THE FIRST SUPERCONDUCTIVE MATERIAL HAVING SUPERCONDUCTIVE CHARACTERISTICS IMPROVED AS COMPARED TO THOSE OF THE SECOND SUPERCONDUCTIVE MATERIAL, THE FIRST SUPERCONDUCTIVE MATERIAL BEING ARRANGED IN OPEN LAYER FORM, THE IMPROVEMENT COMPRISING FERROMAGNETIC MATERIAL DISPOSED IN THE SAID COIL IN THE FORM OF A SPIRAL WINDING ADJACENT THE SPIRAL WINDING OF THE COIL AND BEING CONSTRUCTED AND ARRANGED TO CHANNEL MAGNETIC FIELD LINES WITHIN THE SPIRAL WINDINGS OF THE COIL ALONG A SPRIAL PATH ADJACENT THE SAID SECOND SUPERCONDUCTIVE MATERIAL.
Claim 2
Dependent Claim
115 words
AN IMPROVED SPIRALLY WOUND SUPERCONDUCTIVE ELECTROMAGNET COIL FOR GENERATING HIGH MAGNETIC FIELDS FROM ELECTRIC CURRENT FLOWING THROUGH THE COIL, THE COIL BEING WOUND FROM WIRE COMPRISING ADJACENT LAYERS IN THE WIRE OF FIRST AND SECOND SUPERCONDUCTIVE MATERIAL, THE FIRST SUPERCONDUCTIVE MATERIAL HAVING SUPERCONDUCTIVE CHARACTERISTICS IMPROVED AS COMPARED TO THOSE OF THE SECOND SUPERCONDUCTIVE MATERIAL, THE FIRST SUPERCONDUCTIVE MATERIAL BEING ARRANGED IN OPEN LAYER FORM, THE IMPROVEMENT COMPRISING FERROMAGNETIC MATERIAL DISPOSED IN THE SAID COIL IN THE FORM OF A SPIRAL WINDING ADJACENT THE SPIRAL WINDING OF THE COIL AND BEING CONSTRUCTED AND ARRANGED TO CHANNEL MAGNETIC FIELD LINES WITHIN THE SPIRAL WINDINGS OF THE COIL ALONG A SPRIAL PATH ADJACENT THE SAID SECOND SUPERCONDUCTIVE MATERIAL.
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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |