US3597281A
Expired / Lapsed
US
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Recovery of radiation damaged solar cells through thermanl annealing
Assignee: National Aeronautics and Space Administration
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Filing: 1969-05-02
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Granted: 1971-08-03
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Expires: 1989-05-02
Abstract
Abstract APPARATUS FOR USE ONBOARD SPACECRAFT TO THERMALLY A NEAL DEFECTS FROM SOLAR CELLS. IN ONE EMBODIMENT THE "GREENHOUSE EFFECT" IS EMPLOYED TO HEAT THE CELLS TO THE DESIRED ANNEALING TEMPERATURES. D R A W I N G
Inventors
- 👤 Pao-Hsien Fang
- 👤 George Meszaros
- 👤 William G Gdula
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:07
CPC Classifications
B; B64; B64G; B64G1/00; B64G1/22; B64G1/42; B64G1/44; B64G1/443; B64G1/226; H; H10; H10F; H10F71/00; H10F71/128; Y; Y02; Y02E; Y02E10/00; Y02E10/50; Y10; Y10S; Y10S136/00; Y10S136/29; Y10S148/00; Y10S148/046
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |