US3271585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superconductive devices
Assignee: International Business Machines Corp
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Filing: 1962-12-03
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Granted: 1966-09-06
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Expires: 1982-12-03
Abstract
No abstract record available.
Inventors
- 👤 James W Crowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:09
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/856; Y10S505/857; Y10S505/863
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
A SUPERCONDUCTOR CIRCUIT COMPRISING: FIRST AND SECOND SUPERCONDUCTOR PATHS EXTENDING IN A PARALLEL CIRCUIT RELATIONSHIP BETWEEN FIRST AND SECOND TERMINALS, FIRST AND SECOND CURRENT SUPPLY LEADS RESPECTIVELY CONNECTED TO SAID FIRST AND SECOND TERMINALS SUPPLYING CURRENT TO SAID SUPERCONDUCTOR PATHS; FIRST MEANS FOR INTRODUCING RESISTANCE INTO AT LEAST A PORTION OF SAID FIRST PATH FOR A TIME SUFFICIENT TO CAUSE THE CURRENT FROM SAID SUPPLY LEADS TO FLOW IN SAID SECOND PATH AND THEREAFTER ALLOW SAID FIRST PATH TO BECOME SUPERCONDUCTIVE; SAID CURRENT FLOWING IN SAID SECOND PATH BEING INEFFECTIVE TO INTRODUCE RESISTANCE INTO SAID FIRST PATH AND SAID FIRST AND SECOND PATHS REMAINING ENTIRELY SUPERCONDUCTIVE WITH SAID CURRENT FLOWING IN SAID SECOND PATH, SECOND MEANS FOR THEREAFTER INTRODUCING RESISTANCE INTO AT LEAST A PORTION OF SAID SECOND PATH FOR A TIME SUFFICIENT TO CAUSE THE CURRENT FLOWING IN SAID SECOND PATH TO BE SWITCHED TO SAID FIRST PATH AND THEREAFTER ALLOW SAID PORTION OF SAID SECOND PATH TO BECOME SUPERCONDUCTIVE; SAID CURRENT THEN FLOWING IN SAID FIRST PATH BEIG INEFFECTIVE TO INTRODUCE RESISTANCE INTO SAID SECOND PATH AND SAID FIRST AND SECOND PATHS REMAINING ENTIRELY SUPERCONDUCTIVE WITH SAID CURRENT FLOWING IN SAID FIRST PATH.
Claim 2
Dependent Claim
195 words
A SUPERCONDUCTOR CIRCUIT COMPRISING: FIRST AND SECOND SUPERCONDUCTOR PATHS EXTENDING IN A PARALLEL CIRCUIT RELATIONSHIP BETWEEN FIRST AND SECOND TERMINALS, FIRST AND SECOND CURRENT SUPPLY LEADS RESPECTIVELY CONNECTED TO SAID FIRST AND SECOND TERMINALS SUPPLYING CURRENT TO SAID SUPERCONDUCTOR PATHS; FIRST MEANS FOR INTRODUCING RESISTANCE INTO AT LEAST A PORTION OF SAID FIRST PATH FOR A TIME SUFFICIENT TO CAUSE THE CURRENT FROM SAID SUPPLY LEADS TO FLOW IN SAID SECOND PATH AND THEREAFTER ALLOW SAID FIRST PATH TO BECOME SUPERCONDUCTIVE; SAID CURRENT FLOWING IN SAID SECOND PATH BEING INEFFECTIVE TO INTRODUCE RESISTANCE INTO SAID FIRST PATH AND SAID FIRST AND SECOND PATHS REMAINING ENTIRELY SUPERCONDUCTIVE WITH SAID CURRENT FLOWING IN SAID SECOND PATH, SECOND MEANS FOR THEREAFTER INTRODUCING RESISTANCE INTO AT LEAST A PORTION OF SAID SECOND PATH FOR A TIME SUFFICIENT TO CAUSE THE CURRENT FLOWING IN SAID SECOND PATH TO BE SWITCHED TO SAID FIRST PATH AND THEREAFTER ALLOW SAID PORTION OF SAID SECOND PATH TO BECOME SUPERCONDUCTIVE; SAID CURRENT THEN FLOWING IN SAID FIRST PATH BEIG INEFFECTIVE TO INTRODUCE RESISTANCE INTO SAID SECOND PATH AND SAID FIRST AND SECOND PATHS REMAINING ENTIRELY SUPERCONDUCTIVE WITH SAID CURRENT FLOWING IN SAID FIRST PATH.
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |