US3158794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superconductive device
Assignee: General Electric Co
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Filing: 1962-06-08
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Granted: 1964-11-24
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Expires: 1982-06-08
Abstract
No abstract record available.
Inventors
- 👤 Paul S Swartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:36
CPC Classifications
H; H01; H01F; H01F6/00; Y; Y10; Y10S; Y10S336/00; Y10S336/01; Y10S505/00; Y10S505/825; Y10S505/879; Y10S505/88; Y10T; Y10T428/00; Y10T428/12; Y10T428/12333; Y10T428/12493; Y10T428/12708; Y10T428/12715; Y10T428/12771; Y10T428/12806; Y10T428/12819; Y10T428/12861; Y10T428/12903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A HIGH FIELD SUPERCONDUCTIVE DEVICE COMPRISING A HIGH FIELD SUPERCONDUCTIVE SOLENOID HAVING AN APERTURE THERETHROUGH, A COATING OF NON-SUPERCONDUCTING MATERIAL ON SAID SOLENOID, MEANS TO PRODUCE A MAGNETIC FIELD GENERALLY PARALLEL TO THE AXIS OF THE APERTURE SUBSTANTIALLY WITHIN THE APERTURE OF SAID SOLENOID, MEANS TO MAINTAIN THE TEMPERATURE OF SAID SOLENOID BELOW ITS CRITICAL TEMPERATURE AND MEANS FOR COMPRESSING VARIABLY SAID MAGNETIC FIELD.
Claim 2
Dependent Claim
64 words
A HIGH FIELD SUPERCONDUCTIVE DEVICE COMPRISING A HIGH FIELD SUPERCONDUCTIVE SOLENOID HAVING AN APERTURE THERETHROUGH, A COATING OF NON-SUPERCONDUCTING MATERIAL ON SAID SOLENOID, MEANS TO PRODUCE A MAGNETIC FIELD GENERALLY PARALLEL TO THE AXIS OF THE APERTURE SUBSTANTIALLY WITHIN THE APERTURE OF SAID SOLENOID, MEANS TO MAINTAIN THE TEMPERATURE OF SAID SOLENOID BELOW ITS CRITICAL TEMPERATURE AND MEANS FOR COMPRESSING VARIABLY SAID MAGNETIC FIELD.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |