US3368076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conical receiver for thermal radiation
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1965-08-18
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Granted: 1968-02-06
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Expires: 1985-08-18
Abstract
No abstract record available.
Inventors
- 👤 Richard P Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:02
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/10; G01J5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A RECEIVER TO MEASURE THERMAL RADIATION COMPRISING: A HOLLOW THIN-WALLED CONE OF HEAT CONDUCTIVE MATERIAL HAVING THE BASE OPEN TO EXPOSE ITS CONICAL CAVITY TO A SOURCE OF THERMAL RADIATION; A HEAT SINK ATTACHED TO SAID CONE AT ITS APEX, THE WALLS OF SAID CONE PROVIDING CONDUCTION BETWEEN THE WALLS OF SAID CONCIAL CAVITY AND SAID HEAT SINK SO THAT A TEMPERATURE DIFFERENTIAL IS PRODUCED BETWEEN THE RIM OF SAID CONE AND SAID HEAT SINK; AND MEANS CONNECTING THE RIM AND SAID APEX TO TRANSDUCE THE RADIANT ENERGY TO AN ELECTRICAL SIGNAL.
Claim 2
Dependent Claim
92 words
A RECEIVER TO MEASURE THERMAL RADIATION COMPRISING: A HOLLOW THIN-WALLED CONE OF HEAT CONDUCTIVE MATERIAL HAVING THE BASE OPEN TO EXPOSE ITS CONICAL CAVITY TO A SOURCE OF THERMAL RADIATION; A HEAT SINK ATTACHED TO SAID CONE AT ITS APEX, THE WALLS OF SAID CONE PROVIDING CONDUCTION BETWEEN THE WALLS OF SAID CONCIAL CAVITY AND SAID HEAT SINK SO THAT A TEMPERATURE DIFFERENTIAL IS PRODUCED BETWEEN THE RIM OF SAID CONE AND SAID HEAT SINK; AND MEANS CONNECTING THE RIM AND SAID APEX TO TRANSDUCE THE RADIANT ENERGY TO AN ELECTRICAL SIGNAL.
References Cited (Backward Citations)
US3188473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |