Patent US3258828A successfully refreshed from Google Patents.
US3258828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a superconductive solenoid disc
Assignee: General Electric Co
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Filing: 1965-03-22
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Granted: 1966-07-05
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Expires: 1985-03-22
Abstract
No abstract record available.
Inventors
- 👤 Paul S Swartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:35
CPC Classifications
H; H01; H01F; H01F6/00; H01F6/06; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/917; Y10S505/918; Y10S505/919; Y10S505/924; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49014; Y10T29/49826; Y10T29/49888; Y10T29/4998; Y10T29/49982; Y10T29/49986; Y10T29/49988; Y10T29/49989
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A METHOD OF PRODUCING A HIGH FIELD SUPERCONDUCTIVE SOLENIOD DISC WHICH COMPRISING PROVIDING A METALLIC STRIP THEREIN A CORE OF ONE METAL AND A LAYER OF A SECOND METAL THEREON ADAPTED TO FORM A SUPERCONDUCTIVE ALLOY, POSITIONING AN INSULATING, NON-SUPERCONDUCTIVE STRIP WITH A CORE OF NON-SUPERCONDUCTIVE METAL AND A LAYER OF ELECTRICAL INSULATION THEREON ADJACENT SAID FIRST METALLIC STRIP, COILING SAID STRIPS INTO A SPIRAL, IMMERSING SAID SPIRAL INTO A MOLTEN METAL BATH CONTAINING ONE OF THE METALS OF THE FIRST STRIP THEREBY CONVERTING SAID FIRST METALLIC STRIP IN SAID BATH TO A SUPERCONDUCTIVE ALLOY STRIP, COATING SAID SPRIAL WITH A LAYER OF METAL FROMSAID BATH AND REMOVING BATH METAL FROM THE OPPOITE FAES OF SAID SPIRAL UNTIL THE EDGES OF SAID INSULATING, NON-SUPERCONDUCTIVE STRIP ARE SO EXPOSED AS TO INSULATE THE SUCCESSIVE LAYER OF SAID SUPERCONDUCTIVE STRIP FROM EACH OTHER.
Claim 2
Independent Claim
141 words
A METHOD OF PRODUCING A HIGH FIELD SUPERCONDUCTIVE SOLENIOD DISC WHICH COMPRISING PROVIDING A METALLIC STRIP THEREIN A CORE OF ONE METAL AND A LAYER OF A SECOND METAL THEREON ADAPTED TO FORM A SUPERCONDUCTIVE ALLOY, POSITIONING AN INSULATING, NON-SUPERCONDUCTIVE STRIP WITH A CORE OF NON-SUPERCONDUCTIVE METAL AND A LAYER OF ELECTRICAL INSULATION THEREON ADJACENT SAID FIRST METALLIC STRIP, COILING SAID STRIPS INTO A SPIRAL, IMMERSING SAID SPIRAL INTO A MOLTEN METAL BATH CONTAINING ONE OF THE METALS OF THE FIRST STRIP THEREBY CONVERTING SAID FIRST METALLIC STRIP IN SAID BATH TO A SUPERCONDUCTIVE ALLOY STRIP, COATING SAID SPRIAL WITH A LAYER OF METAL FROMSAID BATH AND REMOVING BATH METAL FROM THE OPPOITE FAES OF SAID SPIRAL UNTIL THE EDGES OF SAID INSULATING, NON-SUPERCONDUCTIVE STRIP ARE SO EXPOSED AS TO INSULATE THE SUCCESSIVE LAYER OF SAID SUPERCONDUCTIVE STRIP FROM EACH OTHER.
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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |