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US3488504A
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Spacecraft attitude detection system by stellar reference
Assignee: National Aeronautics and Space Administration
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Filing: 1966-10-21
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Granted: 1970-01-06
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Expires: 1986-10-21
Abstract
No abstract record available.
Inventors
- 👤 Irving B Lowen
- 👤 Marvin S Maxwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:53
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/78; G01S3/782; G01S3/787; B; B64; B64G; B64G1/00; B64G1/22; B64G1/24; B64G1/28; B64G1/281; B64G1/36; B64G1/361
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3127516A
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US3080485A
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US3120578A
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US3194966A
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US3243897A
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US3290933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |