Patent US3336489A successfully refreshed from Google Patents.
US3336489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for producing a current
Assignee: US Philips Corp
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Filing: 1963-10-03
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Granted: 1967-08-15
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Expires: 1983-10-03
Abstract
No abstract record available.
Inventors
- 👤 Volger Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:22
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; H; H01; H01F; H01F6/00; H01F6/005; H02; H02K; H02K55/00; H10; H10N; H10N60/00; Y; Y02; Y02E; Y02E40/00; Y02E40/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A SUPERCONDUCTOR DEVICE FOR PRODUCING A PERSISTENT CURRENT IN A SUPERCONDUCTIVE CIRCUIT COMPRISING; A PLATE A SUPERCONDUCTIVE MATERIAL, A PATH OF SUPERCONDUCTIVE MATERIAL HAVING TWO ENDS JOINED TO SAID PLATE AT SPACEDAPART POINTS THEREON TO FORM FIRST AND SECOND JUNCTION POINTS, MAGNETIC FIELD PRODUCING MEANS FOR PRODUCING A SPOT OF NORMAL CONDUCTIVITY IN SAID PLATE WHEREIN A MAGNETIC FLUX PASSES THROUGH THE PLATE, MEANS FOR MOVING SAID SPOT PAST THE LINE IN SAID PLATE DEFINED BY SAID JUNCTION POINTS SUCH THAT A SUPERCONDUCTIVE PATH CONTINUOUSLY EXISTS IN THE PLATE JOINING SAID JUNCTION POINTS DURING THE MOVEMENT OF SAID SPOT.
Claim 2
Dependent Claim
99 words
A SUPERCONDUCTOR DEVICE FOR PRODUCING A PERSISTENT CURRENT IN A SUPERCONDUCTIVE CIRCUIT COMPRISING; A PLATE A SUPERCONDUCTIVE MATERIAL, A PATH OF SUPERCONDUCTIVE MATERIAL HAVING TWO ENDS JOINED TO SAID PLATE AT SPACEDAPART POINTS THEREON TO FORM FIRST AND SECOND JUNCTION POINTS, MAGNETIC FIELD PRODUCING MEANS FOR PRODUCING A SPOT OF NORMAL CONDUCTIVITY IN SAID PLATE WHEREIN A MAGNETIC FLUX PASSES THROUGH THE PLATE, MEANS FOR MOVING SAID SPOT PAST THE LINE IN SAID PLATE DEFINED BY SAID JUNCTION POINTS SUCH THAT A SUPERCONDUCTIVE PATH CONTINUOUSLY EXISTS IN THE PLATE JOINING SAID JUNCTION POINTS DURING THE MOVEMENT OF SAID SPOT.
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |