US3283277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superconducting solenoid formed from a niobium-base alloy of varying composition
Assignee: Westinghouse Electric Corp
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Filing: 1963-11-21
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Granted: 1966-11-01
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Expires: 1983-11-21
Abstract
No abstract record available.
Inventors
- 👤 John K Hulm
- 👤 Riemersma Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:20
CPC Classifications
H; H01; H01F; H01F6/00; H01F6/02; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/88; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49014; Y10T29/4902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A SOLENOID FOR CRYOGENIC APPLICATIONS COMPRISING A GENERALLY CYLINDRICAL MEMBER COMPOSED OF A MATERIAL FREE FROM SUPERCONDUCTING PROPERTIES, A PLURALITY OF LAYERS OF TURNS OF WIRE WOUND ON SAID CYLINDRICAL MEMBER, THE WIRE BEING OF NIOBIUM-BASE ALLOY COMPOSITIONS THAT HAVE SUPERCONDUCTING PROPERTIES, A FIRST AXIAL GROUP OF SAID LAYERS OF WIRE HAVING A FIRST CRITICAL FIELD-CURRENT DENSITY SUPER-CONDUCTIVITY CHARACTERISTIC AND A SECOND GROUP OF LAYERS OF THE WIRE ABOUT SAID FIRST GROUP AND HAVING A HIGHER NIOBIUM CONTENT AND A HIGHER CRITICAL CURRENT DENSITY THAN SAID FIRST GROUP OF LAYERS AT THE MAGNETIC FIELD OF OPERATION, EACH OF SAID GROUP OF LAYERS CONNECTED TO AN INDEPENDENT SOURCE OF CURRENT.
Claim 2
Dependent Claim
109 words
A SOLENOID FOR CRYOGENIC APPLICATIONS COMPRISING A GENERALLY CYLINDRICAL MEMBER COMPOSED OF A MATERIAL FREE FROM SUPERCONDUCTING PROPERTIES, A PLURALITY OF LAYERS OF TURNS OF WIRE WOUND ON SAID CYLINDRICAL MEMBER, THE WIRE BEING OF NIOBIUM-BASE ALLOY COMPOSITIONS THAT HAVE SUPERCONDUCTING PROPERTIES, A FIRST AXIAL GROUP OF SAID LAYERS OF WIRE HAVING A FIRST CRITICAL FIELD-CURRENT DENSITY SUPER-CONDUCTIVITY CHARACTERISTIC AND A SECOND GROUP OF LAYERS OF THE WIRE ABOUT SAID FIRST GROUP AND HAVING A HIGHER NIOBIUM CONTENT AND A HIGHER CRITICAL CURRENT DENSITY THAN SAID FIRST GROUP OF LAYERS AT THE MAGNETIC FIELD OF OPERATION, EACH OF SAID GROUP OF LAYERS CONNECTED TO AN INDEPENDENT SOURCE OF CURRENT.
References Cited (Backward Citations)
US3129359A
Cited
US3185900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |