Patent US3440426A successfully refreshed from Google Patents.
US3440426A
Expired / Lapsed
US
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Solar attitude encoder
Assignee: United States Department of the Navy
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Filing: 1966-01-11
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Granted: 1969-04-22
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Expires: 1986-01-11
Abstract
No abstract record available.
Inventors
- 👤 George B Bush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:42
CPC Classifications
B; B64; B64G; B64G1/00; B64G1/22; B64G1/24; B64G1/36; G; G01; G01S; G01S3/00; G01S3/78; G01S3/782; G01S3/783; G01S3/7835; B64G1/361; B64G1/363; H; H03; H03M; H03M1/00; H03M1/12; H03M1/22; H03M1/24; H03M1/26
Claims Analysis
Total Claims: 0
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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) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |