US3174537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic radiant energy response apparatus
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1959-06-30
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Granted: 1965-03-23
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Expires: 1979-06-30
Abstract
No abstract record available.
Inventors
- 👤 Rudolf X Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:23
CPC Classifications
B; B64; B64G; B64G1/00; B64G1/22; B64G1/46; B64G1/50; F; F24; F24S; F24S40/00; F24S40/50; F24S50/00; F24S50/80; F24S70/00; F24S70/20; F24S70/225; F24S70/25; F25; F25B; F25B23/00; F25B23/003; B64G1/503; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y10; Y10S; Y10S126/00; Y10S126/907; Y10S126/908; Y10S165/00; Y10S165/904; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN A SPACE VEHICLE HAVING CERTAIN OUTER SURFACES ORIENTED TO RECEIVE VARYING AMOUNTS OF INCIDENT RADIANT ENERGY AND OTHER OUTER SURFACES NOT EXPOSED TO APPRECIABLE RADIANT ENERGY, THE IMPROVEMENT COMPRISING: (A) FIRST CERTAIN OUTER SURFACES BEING PROVIDED WITH A FIRST ENERGY ABSORPTIVE COATING, SAID COATING HAVING A TRANSITION TEMPERATURE WITH A HIGHGER ABSORPTIVITY AT TEMPERATURES ABOVE SAID TRANSITION TEMPERATURE THAN AT TEMPERATURES ABOVE SAID TRANSITION TEMPERATURE; (B) SAID OTHER OUTER SURFACES BEING PROVIDED WITH A SECOND ENERGY EMISSIVE COATING, SAID COATING HAVING A TRANSITION TEMPERATURE WITH A HIGHER EMISSIVITY AT TEMPERATURES ABOVE SAID TRANSITION TEMPERATURE THAN AT TEMPERATURES BELOW SAID TRANSITION TEMPERATURE; (C) WHEREBY THE TEMPERATURE INSIDE OF SAID VEHICLE IS MAINTAINED WITHIN A DESIRED TEMPERATURE RANGE.
Claim 2
Dependent Claim
117 words
IN A SPACE VEHICLE HAVING CERTAIN OUTER SURFACES ORIENTED TO RECEIVE VARYING AMOUNTS OF INCIDENT RADIANT ENERGY AND OTHER OUTER SURFACES NOT EXPOSED TO APPRECIABLE RADIANT ENERGY, THE IMPROVEMENT COMPRISING: (A) FIRST CERTAIN OUTER SURFACES BEING PROVIDED WITH A FIRST ENERGY ABSORPTIVE COATING, SAID COATING HAVING A TRANSITION TEMPERATURE WITH A HIGHGER ABSORPTIVITY AT TEMPERATURES ABOVE SAID TRANSITION TEMPERATURE THAN AT TEMPERATURES ABOVE SAID TRANSITION TEMPERATURE; (B) SAID OTHER OUTER SURFACES BEING PROVIDED WITH A SECOND ENERGY EMISSIVE COATING, SAID COATING HAVING A TRANSITION TEMPERATURE WITH A HIGHER EMISSIVITY AT TEMPERATURES ABOVE SAID TRANSITION TEMPERATURE THAN AT TEMPERATURES BELOW SAID TRANSITION TEMPERATURE; (C) WHEREBY THE TEMPERATURE INSIDE OF SAID VEHICLE IS MAINTAINED WITHIN A DESIRED TEMPERATURE RANGE.
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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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |