Patent US3343035A successfully refreshed from Google Patents.
US3343035A
Expired / Lapsed
US
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Superconducting electrical power transmission systems
Assignee: International Business Machines Corp
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Filing: 1963-03-08
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Granted: 1967-09-19
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Expires: 1983-03-08
Abstract
No abstract record available.
Inventors
- 👤 Richard L Garwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:14
CPC Classifications
H; H02; H02G; H02G15/00; H02G15/34; F; F16; F16L; F16L59/00; F16L59/06; F16L59/065; H02J; H02J1/00; H02J1/06; Y; Y02; Y02E; Y02E40/00; Y02E40/60; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/85
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
AN ELECTRICAL POWER TRANSMISSION SYSTEM COMPRISING: (A) TWO MUTUALLY PARALLEL CHANNELS; (B) A SUPERCONDUCTOR WIRE BEING SUPERCONDUCTIVE AT A GIVEN TEMPERATURE DISPOSED IN ONE SAID CHANNELS; AND (C) MEANS FOR PASSING A CRYOGENIC FLUID THROUGH SAID ONE CHANNEL IN ONE DIRECTION AT A TEMPERATURE AT LEAST AS LOW AS SAID GIVEN TEMPERATURE AND THROUGH THE OTHER OF SAID CHANNELS IN THE OPPOSITE DIRECTION TO MAINTAIN SAID WIRE AT ITS SUPERCONDUCTIVE TEMPERATURE;
Claim 2
Dependent Claim
71 words
AN ELECTRICAL POWER TRANSMISSION SYSTEM COMPRISING: (A) TWO MUTUALLY PARALLEL CHANNELS; (B) A SUPERCONDUCTOR WIRE BEING SUPERCONDUCTIVE AT A GIVEN TEMPERATURE DISPOSED IN ONE SAID CHANNELS; AND (C) MEANS FOR PASSING A CRYOGENIC FLUID THROUGH SAID ONE CHANNEL IN ONE DIRECTION AT A TEMPERATURE AT LEAST AS LOW AS SAID GIVEN TEMPERATURE AND THROUGH THE OTHER OF SAID CHANNELS IN THE OPPOSITE DIRECTION TO MAINTAIN SAID WIRE AT ITS SUPERCONDUCTIVE TEMPERATURE;
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |