US3392055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making superconducting wire
Assignee: General Electric Co
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Filing: 1963-02-01
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Granted: 1968-07-09
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Expires: 1983-02-01
Abstract
No abstract record available.
Inventors
- 👤 Donald L Martin
- 👤 Donald H Wilkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:50
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/04; C23C2/08; C23G; C23G1/00; C23G1/02; C23G1/10; C23G1/106; H; H01; H01B; H01B1/00; H10; H10N; H10N60/00; H10N60/01; H10N60/0184; Y; Y10; Y10S; Y10S505/00; Y10S505/80; Y10S505/815; Y10S505/818; Y10S505/821
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
THE CONTINUOUS METHOD OF MAKING A SUPERCONDUCTING WIRE HAVING A HIGH CURRENT-CARRYING CAPACITY WHICH COMPRISES THE STEPS OF CONTINUOUSLY RUNNING A CLEAN WIRE OF METAL SELECTED FROM THE GROUP CONSISTING OF NIOBIUM AND NIOBIUM-BASE ALLOYS LENGTHWISE INTO AND THROUGH A BATH OF MOLTEN TIN AT A TEMPERATURE BETWEEN 650*C. AND 1300*C. AND THEREBY PROVIDING A TIN COATING ON SUCCESSIVE LONGITUDINAL SEGMENTS OF THE WIRE AND SIMULTANEOUSLY FORMING AN INTERMEDIATE LAYER OF NB3SN ON SUCCESSIVE LONGITUDINAL SEGMENTS OF THE WIRE, CONTINUOUSLY REMOVING THE RESULTING TIN-COATED AND NB3SN COVERED WIRE LENGTHWISE FROM THE TIN BATH INTO A NEUTRAL ATMOSPHERE AND COOLING AND FREEZING TIN ADHERING TO SUCCESSIVE SEGMENTS OF THE WIRE AS THE WIRE IS TRAVELED LENGTHWISE THROUGH THE NEUTRAL ATMOSPHERE, AND CONTINUOUSLY WITHDRAWING THE RESULTING SUPERCONDUCTING WIRE PRODUCT LENGTHWISE FROM CONTACT WITH THE NEUTRAL ATMOSPHERE.
Claim 2
Dependent Claim
134 words
THE CONTINUOUS METHOD OF MAKING A SUPERCONDUCTING WIRE HAVING A HIGH CURRENT-CARRYING CAPACITY WHICH COMPRISES THE STEPS OF CONTINUOUSLY RUNNING A CLEAN WIRE OF METAL SELECTED FROM THE GROUP CONSISTING OF NIOBIUM AND NIOBIUM-BASE ALLOYS LENGTHWISE INTO AND THROUGH A BATH OF MOLTEN TIN AT A TEMPERATURE BETWEEN 650*C. AND 1300*C. AND THEREBY PROVIDING A TIN COATING ON SUCCESSIVE LONGITUDINAL SEGMENTS OF THE WIRE AND SIMULTANEOUSLY FORMING AN INTERMEDIATE LAYER OF NB3SN ON SUCCESSIVE LONGITUDINAL SEGMENTS OF THE WIRE, CONTINUOUSLY REMOVING THE RESULTING TIN-COATED AND NB3SN COVERED WIRE LENGTHWISE FROM THE TIN BATH INTO A NEUTRAL ATMOSPHERE AND COOLING AND FREEZING TIN ADHERING TO SUCCESSIVE SEGMENTS OF THE WIRE AS THE WIRE IS TRAVELED LENGTHWISE THROUGH THE NEUTRAL ATMOSPHERE, AND CONTINUOUSLY WITHDRAWING THE RESULTING SUPERCONDUCTING WIRE PRODUCT LENGTHWISE FROM CONTACT WITH THE NEUTRAL ATMOSPHERE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |