Patent US3098181A successfully refreshed from Google Patents.
US3098181A
Expired / Lapsed
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Magnetic circuit using superconductor properties
Assignee: AT&T Inc
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Filing: 1960-08-29
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Granted: 1963-07-16
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Expires: 1980-08-29
Abstract
No abstract record available.
Inventors
- 👤 Paul P Cioffi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:20
CPC Classifications
H; H01; H01F; H01F6/00; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/872
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
MEANS FOR PREVENTING THE LOSS OF FLUX FROM A MAGNETIC CIRCUIT COMPRISING A SUPERCONDUCTIVE MAGNETIC INSULATOR MEMBER HAVING AN INTERNAL MAGNET INDUCTION SUBSTANTIALLY EQUAL TO ZERO, SAID SUPERCONDUCTIVE MEMBER SUBSTANTIALLY ENCLOSING THE FLUX PATH AROUND SAID MAGNETIC CIRCUIT AND DEFINING A VOLUME TO WHICH THE FLUX IN SAID PATH IS TO BE CONFINED, AND MEANS FOR MAINTAINING SAID SUPERCONDUCTIVE MEMBER IN A SUPERCONDUCTING STATE.
Claim 2
Dependent Claim
64 words
MEANS FOR PREVENTING THE LOSS OF FLUX FROM A MAGNETIC CIRCUIT COMPRISING A SUPERCONDUCTIVE MAGNETIC INSULATOR MEMBER HAVING AN INTERNAL MAGNET INDUCTION SUBSTANTIALLY EQUAL TO ZERO, SAID SUPERCONDUCTIVE MEMBER SUBSTANTIALLY ENCLOSING THE FLUX PATH AROUND SAID MAGNETIC CIRCUIT AND DEFINING A VOLUME TO WHICH THE FLUX IN SAID PATH IS TO BE CONFINED, AND MEANS FOR MAINTAINING SAID SUPERCONDUCTIVE MEMBER IN A SUPERCONDUCTING STATE.
References Cited (Backward Citations)
US2936408A
Cited
US2936435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |