US3285333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Geometrically-spectrally selective radiator
Assignee: Garrett Corp
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Filing: 1962-10-17
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Granted: 1966-11-15
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Expires: 1982-10-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Alfred L Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:21
CPC Classifications
F; F25; F25B; F25B23/00; F25B23/003; Y; Y10; Y10S; Y10S165/00; Y10S165/904; Y10S62/00; Y10S62/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A HEAT EXCHANGER, COMPRISING: A THERMALLY CONDUCTIVE BODY HAVING A SET OF FIRST EXPOSED SURFACES ORIENTED IN ONE DIRECTION RELATIVE TO SAID BODY AND A SET OF SECOND EXPOSED SURFACES ALTERNATING WITH SAID FIRST SURFACES AND ORIENTED IN ANOTHER DIRECTION WITH RESPECT TO SAID BODY; AND ONE OF SAID SETS OF SURFACES BEING SPECTRALLY SELECTIVE AND HAVING RELATIVELY LOW ABSORPTIVITY OVER THE RANGE OF HIGH TEMPERATURE SOLAR RADIATION ONLY AND THE OTHER SET OF SURFACES BEING SUBSTANTIALLY TO TALLY REFLECTIVE OVER THE ENTIRE RANGE FROM RELATIVELY LOW TEMPERATURE THERMAL RADIATION TO HIGH TEMPERATURE SOLAR RADIATION.
Claim 2
Dependent Claim
95 words
A HEAT EXCHANGER, COMPRISING: A THERMALLY CONDUCTIVE BODY HAVING A SET OF FIRST EXPOSED SURFACES ORIENTED IN ONE DIRECTION RELATIVE TO SAID BODY AND A SET OF SECOND EXPOSED SURFACES ALTERNATING WITH SAID FIRST SURFACES AND ORIENTED IN ANOTHER DIRECTION WITH RESPECT TO SAID BODY; AND ONE OF SAID SETS OF SURFACES BEING SPECTRALLY SELECTIVE AND HAVING RELATIVELY LOW ABSORPTIVITY OVER THE RANGE OF HIGH TEMPERATURE SOLAR RADIATION ONLY AND THE OTHER SET OF SURFACES BEING SUBSTANTIALLY TO TALLY REFLECTIVE OVER THE ENTIRE RANGE FROM RELATIVELY LOW TEMPERATURE THERMAL RADIATION TO HIGH TEMPERATURE SOLAR RADIATION.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |