Patent US3239725A successfully refreshed from Google Patents.
US3239725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superconducting device
Assignee: ION PHVSICS Corp
•
Filing: 1962-12-04
•
Granted: 1966-03-08
•
Expires: 1982-12-04
Abstract
No abstract record available.
Inventors
- 👤 Picter R Wiederhold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:32
CPC Classifications
H; H01; H01F; H01F6/00; H01F6/02; G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/88
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A SUPERCONDUCTING DEVICE COMPRISING A COIL OF SUPERCONDUCTING MATERIAL HAVING AT LEAST TWO TURNS AND MAGNETIC FLUX DIVERTING MEANS DISPOSEDD THERIN, SAID FLUX DIVERTING MEANS BEING ADAPTED TO REDUCE THE FLUX DENSITY CONTIGUOUS TO THE INNER CIRCUMFERENCE OF SAID COIL, WHEREIN SAID FLUX DIVERTING MEANS COMPRISES A PLURALITY OF OPEN CIRCUITED RING SHAPED SUPERCONDUCTING MEMBERS DISPOSED AT INTERVALS WITHIN SAID COIL COAXIAL THEREWITH SO AS TO PROTRUDE A DISTANCE BEYOND THE INNER CIRCUMFERENCE THEREOF.
Claim 2
Dependent Claim
74 words
A SUPERCONDUCTING DEVICE COMPRISING A COIL OF SUPERCONDUCTING MATERIAL HAVING AT LEAST TWO TURNS AND MAGNETIC FLUX DIVERTING MEANS DISPOSEDD THERIN, SAID FLUX DIVERTING MEANS BEING ADAPTED TO REDUCE THE FLUX DENSITY CONTIGUOUS TO THE INNER CIRCUMFERENCE OF SAID COIL, WHEREIN SAID FLUX DIVERTING MEANS COMPRISES A PLURALITY OF OPEN CIRCUITED RING SHAPED SUPERCONDUCTING MEMBERS DISPOSED AT INTERVALS WITHIN SAID COIL COAXIAL THEREWITH SO AS TO PROTRUDE A DISTANCE BEYOND THE INNER CIRCUMFERENCE THEREOF.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |