US3381569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attitude sensor for space vehicles
Assignee: National Aeronautics and Space Administration
•
Filing: 1964-05-21
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Granted: 1968-05-07
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Expires: 1984-05-21
Abstract
No abstract record available.
Inventors
- 👤 Norman M Hatcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:51
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/78; G01S3/782; G01S3/785; G01S3/786; G01S3/7868; B; B64; B64G; B64G1/00; B64G1/22; B64G1/24; B64G1/36; B64G1/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3020407A
Cited
US3107300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |