US3453449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical power transmission with superconducting power cables
Assignee: Siemens AG
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Filing: 1966-08-30
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Granted: 1969-07-01
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Expires: 1986-08-30
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Kafka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:50
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/002; H01H33/004; H01B; H01B12/00; H01F; H01F6/00; H01F6/006; H02; H02H; H02H7/00; H02H7/001; H10; H10N; H10N60/00; H10N60/30; H10N60/35; H10N60/355; Y; Y02; Y02E; Y02E40/00; Y02E40/60; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/856; Y10S505/857; Y10S505/86
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN AN ELECTRICAL POWER TRANSMISSION SYSTEM, A SUPERCONDUCTING POWER CABLE HAVING A SUPERCONDUCTOR SECTION WHICH IS HIGH-OHMIC IN ITS NORMAL CONDUCTING STATE AND WHICH CAN UNDERGO TRANSITION FROM SUPERCONDUCTING-TONORMAL CONDUCTING STATES, A SUPERCONDUCTING DISCONNECT SWITCH CONNECTED IN SERIES WITH SAID SUPERCONDUCTOR SECTION OF SAID SUPERCONDUCTING CABLE, AND A POWER DISCONNECT SWITCH SITUATED IN AN ATMOSPHERE WHICH AT ROOM TEMPERATURE AND CONNECTED IN PARALLEL AT LEAST WITH SAID SUPERCONDUCTOR SECTION OF SAID SUPERCONDUCTING POWER CABLE.
Claim 2
Dependent Claim
74 words
IN AN ELECTRICAL POWER TRANSMISSION SYSTEM, A SUPERCONDUCTING POWER CABLE HAVING A SUPERCONDUCTOR SECTION WHICH IS HIGH-OHMIC IN ITS NORMAL CONDUCTING STATE AND WHICH CAN UNDERGO TRANSITION FROM SUPERCONDUCTING-TONORMAL CONDUCTING STATES, A SUPERCONDUCTING DISCONNECT SWITCH CONNECTED IN SERIES WITH SAID SUPERCONDUCTOR SECTION OF SAID SUPERCONDUCTING CABLE, AND A POWER DISCONNECT SWITCH SITUATED IN AN ATMOSPHERE WHICH AT ROOM TEMPERATURE AND CONNECTED IN PARALLEL AT LEAST WITH SAID SUPERCONDUCTOR SECTION OF SAID SUPERCONDUCTING POWER CABLE.
References Cited (Backward Citations)
US3162716A
Cited
US3343035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |