US3173079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superconducting electrical devices
Assignee: Individual
•
Filing: 1959-01-23
•
Granted: 1965-03-09
•
Expires: 1979-01-23
Abstract
No abstract record available.
Inventors
- 👤 Mcfee Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:41
CPC Classifications
H; H01; H01F; H01F36/00; H01B; H01B12/00; H01B12/02; Y; Y02; Y02E; Y02E40/00; Y02E40/60; Y10; Y10S; Y10S336/00; Y10S336/01; Y10S505/00; Y10S505/825; Y10S505/869; Y10S505/87; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49014
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A SUPERCONDUCTIVE TRANSFORMER COMPRISING AT LEAST PRIMARY AND SECONDARY INDUCTIVELY INTERCOUPLED WINDINGS FORMED OF SUPERCONDUCTIVE MATERIAL, EACH OF SAID WINDINGS BEING CONSTITUTED BY A PLURALITY OF COIL LAYERS THE LAYERS OF THE TWO WINDINGS BEING INTERLEAVED TO PROVIDE A MINIMUM FLUX DENSITY MAGNETIC ENVIRONEMNT FOR SAID WINDINGS, MEANS SO INTERCONNECTING THE LAYERS OF THE RESPECTIVE WINDINGS TO PROVIDE A PREDETERMINED STEP RATIO THEREBETWEEN, AND MEANS TO MAINTAIN SAID WINDINGS AT A SUPERCONDUCTIVE TEMPERATURE.
Claim 2
Dependent Claim
73 words
A SUPERCONDUCTIVE TRANSFORMER COMPRISING AT LEAST PRIMARY AND SECONDARY INDUCTIVELY INTERCOUPLED WINDINGS FORMED OF SUPERCONDUCTIVE MATERIAL, EACH OF SAID WINDINGS BEING CONSTITUTED BY A PLURALITY OF COIL LAYERS THE LAYERS OF THE TWO WINDINGS BEING INTERLEAVED TO PROVIDE A MINIMUM FLUX DENSITY MAGNETIC ENVIRONEMNT FOR SAID WINDINGS, MEANS SO INTERCONNECTING THE LAYERS OF THE RESPECTIVE WINDINGS TO PROVIDE A PREDETERMINED STEP RATIO THEREBETWEEN, AND MEANS TO MAINTAIN SAID WINDINGS AT A SUPERCONDUCTIVE TEMPERATURE.
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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) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |