US3201736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature responsive resistance device
Assignee: Energy Conversion Devices Inc
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Filing: 1962-05-28
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Granted: 1965-08-17
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Expires: 1982-05-28
Abstract
No abstract record available.
Inventors
- 👤 Stanford R Ovshinsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:25
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/24; G01; G01K; G01K7/00; G01K7/16; G01K7/18; G01K7/183; H; H01; H01C; H01C7/00; H01C7/04; Y; Y10; Y10S; Y10S428/00; Y10S428/913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A TEMPERATURE RESPONSIVE RESISTANCE CURRENT CONTROLLING DEVICE FOR CONTROLLING AN ELECTRICAL CIRCUIT IN ACCORDANCE WITH TEMPERATURE CONDITIONS AFFECTING SAID DEVICE COMPRISING, SPACED APART METALLIC ELECTRODES, A BODY OF AT LEAST ONE LITHIUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF LITHIUM OXIDE, LITHIUM HYDROXIDE AND LITHIUM CARBONATE AND A SELF-SUPPORTING SOLID DILUENT AND HAVING A SUBSTANTIAL NEGATIVE TEMPERATURE-RESISTANCE COEFFICIENT INTERPOSED BETWEEN AND IN ELECTRICAL CONTACT WITH SAID ELECTRODES, AND MEANS CONNECTED TO SAID ELECTRODES FOR CONNECTING SAID BODY IN SERIES WITH THE ELECTRICAL CIRCUIT FOR CONTROLLING THE CURRENT FLOW THERETHROUGH IN ACCORDANCE WITH THE TEMPERATURE OF SAID BODY AS AFFECTED BY THE
Claim 2
Dependent Claim
101 words
A TEMPERATURE RESPONSIVE RESISTANCE CURRENT CONTROLLING DEVICE FOR CONTROLLING AN ELECTRICAL CIRCUIT IN ACCORDANCE WITH TEMPERATURE CONDITIONS AFFECTING SAID DEVICE COMPRISING, SPACED APART METALLIC ELECTRODES, A BODY OF AT LEAST ONE LITHIUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF LITHIUM OXIDE, LITHIUM HYDROXIDE AND LITHIUM CARBONATE AND A SELF-SUPPORTING SOLID DILUENT AND HAVING A SUBSTANTIAL NEGATIVE TEMPERATURE-RESISTANCE COEFFICIENT INTERPOSED BETWEEN AND IN ELECTRICAL CONTACT WITH SAID ELECTRODES, AND MEANS CONNECTED TO SAID ELECTRODES FOR CONNECTING SAID BODY IN SERIES WITH THE ELECTRICAL CIRCUIT FOR CONTROLLING THE CURRENT FLOW THERETHROUGH IN ACCORDANCE WITH THE TEMPERATURE OF SAID BODY AS AFFECTED BY THE
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |