Patent US3202836A successfully refreshed from Google Patents.
US3202836A
Expired / Lapsed
US
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Heat-responsive superconductive devices
Assignee: Bunker Ramo Corp
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Filing: 1962-01-22
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Granted: 1965-08-24
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Expires: 1982-01-22
Abstract
No abstract record available.
Inventors
- 👤 James J Nyberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:03
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/006; G11; G11C; G11C11/00; G11C11/21; G11C11/44; H; H10; H10N; H10N60/00; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/856; Y10S505/857; Y10S505/858
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A LOGIC CIRCUIT INCLUDING THE COMBINATION OF A SUPERCONDUCTOR WHICH IS CAPABLE OF BEING SWITCHED FROM A SUPERCONDUCTIVE CONDITION TO AN ELECTRICALLY RESISTIVE CONDITION AT A PARTICULAR TRANSISTION TEMPERATURE, MEANS FOR MAINTAINING THE SUPERCONDUCTOR NORMALLY BELOW THE TRANSITION TEMPERATURE THEREOF, MEANS INCLUDING AN ADJACENT CONTROL ELEMENT FOR SELECTIVELY SUPPLYING HEAT TO THE SUPERCONDUCTOR SUFFICIENT TO RAISE ITS TEMPERATURE ABOVE THE TRANSITION TEMPERATURE THEREOF WHEN IT IS DESIRED TO SWITCH THE SUPERCONDUCTOR TO THE RESISTIVE CONDITION, AND MEANS FOR PASSING CURRENT THROUGH THE SUPERCONDUCTOR OF A MAGNITUDE SUFFICIENT TO MAINTAIN THE SUPERCONDUCTOR IN AN ELECTRICALLY RESISTIVE CONDITION SO LONG AS THE CURRENT OF SAID MAGNITUDE CONTINUES TO FLOW THERETHROUGH.
Claim 2
Dependent Claim
108 words
A LOGIC CIRCUIT INCLUDING THE COMBINATION OF A SUPERCONDUCTOR WHICH IS CAPABLE OF BEING SWITCHED FROM A SUPERCONDUCTIVE CONDITION TO AN ELECTRICALLY RESISTIVE CONDITION AT A PARTICULAR TRANSISTION TEMPERATURE, MEANS FOR MAINTAINING THE SUPERCONDUCTOR NORMALLY BELOW THE TRANSITION TEMPERATURE THEREOF, MEANS INCLUDING AN ADJACENT CONTROL ELEMENT FOR SELECTIVELY SUPPLYING HEAT TO THE SUPERCONDUCTOR SUFFICIENT TO RAISE ITS TEMPERATURE ABOVE THE TRANSITION TEMPERATURE THEREOF WHEN IT IS DESIRED TO SWITCH THE SUPERCONDUCTOR TO THE RESISTIVE CONDITION, AND MEANS FOR PASSING CURRENT THROUGH THE SUPERCONDUCTOR OF A MAGNITUDE SUFFICIENT TO MAINTAIN THE SUPERCONDUCTOR IN AN ELECTRICALLY RESISTIVE CONDITION SO LONG AS THE CURRENT OF SAID MAGNITUDE CONTINUES TO FLOW THERETHROUGH.
References Cited (Backward Citations)
US2189122A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |