US3289422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling apparatus for infrared detecting system
Assignee: Individual
•
Filing: 1965-08-16
•
Granted: 1966-12-06
•
Expires: 1985-08-16
Abstract
No abstract record available.
Inventors
- 👤 Joseph V Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:49
CPC Classifications
F; F25; F25B; F25B21/00; G; G01; G01B; G01B5/00; G01B5/02; G01B5/06; G01B5/061; H; H10; H10N; H10N10/00; H10N15/00; F25B2321/00; F25B2321/002; F25B2321/0021; Y; Y02; Y02B; Y02B30/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
IN AN INFRARED DETECTING SYSTEM OF THE TYPE HAVING AN INFRARED DETECTING ELEMENT AND CIRCUIT MEANS OPERATIVELY CONNECTED TO SAID INFRARED DETECTING ELEMENT FOR INDICATING THE INCIDENCE OF INFRARED WAVE ENERGY ON SAID INFRARED DETECTING ELEMENT, THE COMBINATION COMPRISING: MEANS FOR COOLING SAID INFRARED DETECTING ELEMENT COMPRISING MULTISTAGE, THERMOELECTRIC REFRIGERATING DEVICES, A MAGNETO-THERMOELECTRIC PRISM HAVING A BASE THERMALLY AND ELECTRICALLY CONNECTED TO THE LAST OF SAID THERMOELECTRIC REFRIGERATING DEVICES AND AN EDGE REMOTE FROM SAID BASE TO WHICH SAID INFRARED DETECTING ELEMENT IS THERMALLY AND NONELECTRICALLY BONDED, MEANS FOR PASSING A CURRENT THROUGH SAID THERMOELECTRIC REFRIGERATING DEVICES AND SAID MAGNETO-THERMOELECTRIC PRISM, AND MEANS FOR IMPRSSSING A MAGNETIC FIELD ACROSS AT LEAST THE THERMOELECTRIC REFRIGERATING DEVICES OF THE LAST STAGES AND SAID MAGNETO-THERMOELECTRIC PRISM AND PERPENDICULAR TO THE CURRENT FLOW THERETHROUGH; ANDMEANS FOR ENCAPSULATING AT LEAST SAID INFRARED DETECTING ELEMENT AND SAID MAGNETOTHERMOELECTRIC PRISM, SAID ENCAPSULATING MEANS BEING EVACUATED WHEREBY SAID INFRARED DETECTING ELEMENT AND SAID MAGNETO-THERMOELECTRIC PRISM RESIDE IN A VACCUM.
Claim 2
Dependent Claim
161 words
IN AN INFRARED DETECTING SYSTEM OF THE TYPE HAVING AN INFRARED DETECTING ELEMENT AND CIRCUIT MEANS OPERATIVELY CONNECTED TO SAID INFRARED DETECTING ELEMENT FOR INDICATING THE INCIDENCE OF INFRARED WAVE ENERGY ON SAID INFRARED DETECTING ELEMENT, THE COMBINATION COMPRISING: MEANS FOR COOLING SAID INFRARED DETECTING ELEMENT COMPRISING MULTISTAGE, THERMOELECTRIC REFRIGERATING DEVICES, A MAGNETO-THERMOELECTRIC PRISM HAVING A BASE THERMALLY AND ELECTRICALLY CONNECTED TO THE LAST OF SAID THERMOELECTRIC REFRIGERATING DEVICES AND AN EDGE REMOTE FROM SAID BASE TO WHICH SAID INFRARED DETECTING ELEMENT IS THERMALLY AND NONELECTRICALLY BONDED, MEANS FOR PASSING A CURRENT THROUGH SAID THERMOELECTRIC REFRIGERATING DEVICES AND SAID MAGNETO-THERMOELECTRIC PRISM, AND MEANS FOR IMPRSSSING A MAGNETIC FIELD ACROSS AT LEAST THE THERMOELECTRIC REFRIGERATING DEVICES OF THE LAST STAGES AND SAID MAGNETO-THERMOELECTRIC PRISM AND PERPENDICULAR TO THE CURRENT FLOW THERETHROUGH; ANDMEANS FOR ENCAPSULATING AT LEAST SAID INFRARED DETECTING ELEMENT AND SAID MAGNETOTHERMOELECTRIC PRISM, SAID ENCAPSULATING MEANS BEING EVACUATED WHEREBY SAID INFRARED DETECTING ELEMENT AND SAID MAGNETO-THERMOELECTRIC PRISM RESIDE IN A VACCUM.
References Cited (Backward Citations)
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US3103587A
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US3064440A
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US3188240A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |