US3114041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooled infrared radiation detector
Assignee: Westinghouse Electric Corp
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Filing: 1961-01-11
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Granted: 1963-12-10
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Expires: 1981-01-11
Abstract
No abstract record available.
Inventors
- 👤 Michael F Amsterdam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:35
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; F17C3/08; F17C3/085; G; G01; G01J; G01J5/00; G01J5/10; G01J5/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
AN INFRARED RADIATION DETECTOR ASSEMBLY COMPRISING A DEWAR VESSEL HAVING AN INNER SHELL COMPRISING A FIRST THERMALLY INSULATING MEMBER IN CYLINDRICAL FORM, AN OUTER SHELL COMPRISING A SECOND THERMALLY INSULATING MEMBER IN CYLINDRICAL FORM SUBSTANTIALLY COAXIAL WITH SAID FIRST THERMALLY INSULATING MEMBER, SAID FIRST AND SECOND THERMALLY INSULATING MEMBERS EACH HAVING A FIRST EXTREMITY IN A COMMON PLANE PERPENDICULAR TO THE AXIS OF SAID MEMBERS, A BLOCK OF CONDUCTIVE MATERIAL SECURED TO THE OTHER EXTREMITY OF SAID FIRST THERMALLY INSULATING MEMBER, AN INFRARED RADIATION DETECTOR ELEMENT DISPOSED ON SAID BLOCK, A FIRST CONDUCTIVE LEAD MEMBER IN CONTACT WITH SAID BLOCK AND A SECOND CONDUCTIVE LEAD MEMBER IN CONTACT WITH SAID DETECTOR ELEMENT, SAID INSULATING MEMBERS EACH HAVING A METALLIC MEMBER JOINED THERETO IN A VACUUM TIGHT SEAL AT THE FIRST EXTREMITY THEREOF, SAID METALLIC MEMBERS JOINED TOGETHER IN A VACUUM TIGHT SEAL AT THE MOUTH OF SAID VESSEL, SAID FIRST AND SECOND LEAD MEMBERS EACH PASSING THROUGH AN APERTURE IN ONE OF SAID METALLIC MEMBERS.
Claim 2
Dependent Claim
165 words
AN INFRARED RADIATION DETECTOR ASSEMBLY COMPRISING A DEWAR VESSEL HAVING AN INNER SHELL COMPRISING A FIRST THERMALLY INSULATING MEMBER IN CYLINDRICAL FORM, AN OUTER SHELL COMPRISING A SECOND THERMALLY INSULATING MEMBER IN CYLINDRICAL FORM SUBSTANTIALLY COAXIAL WITH SAID FIRST THERMALLY INSULATING MEMBER, SAID FIRST AND SECOND THERMALLY INSULATING MEMBERS EACH HAVING A FIRST EXTREMITY IN A COMMON PLANE PERPENDICULAR TO THE AXIS OF SAID MEMBERS, A BLOCK OF CONDUCTIVE MATERIAL SECURED TO THE OTHER EXTREMITY OF SAID FIRST THERMALLY INSULATING MEMBER, AN INFRARED RADIATION DETECTOR ELEMENT DISPOSED ON SAID BLOCK, A FIRST CONDUCTIVE LEAD MEMBER IN CONTACT WITH SAID BLOCK AND A SECOND CONDUCTIVE LEAD MEMBER IN CONTACT WITH SAID DETECTOR ELEMENT, SAID INSULATING MEMBERS EACH HAVING A METALLIC MEMBER JOINED THERETO IN A VACUUM TIGHT SEAL AT THE FIRST EXTREMITY THEREOF, SAID METALLIC MEMBERS JOINED TOGETHER IN A VACUUM TIGHT SEAL AT THE MOUTH OF SAID VESSEL, SAID FIRST AND SECOND LEAD MEMBERS EACH PASSING THROUGH AN APERTURE IN ONE OF SAID METALLIC MEMBERS.
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) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |