US3419329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined optical attitude and altitude indicating instrument
Assignee: National Aeronautics and Space Administration
•
Filing: 1964-01-02
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Granted: 1968-12-31
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Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Vogeley
- 👤 Jr Alfred J Meintel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:05
CPC Classifications
B; B64; B64G; B64G1/00; B64G1/22; B64G1/24; B64G1/36; B64G1/244; B64G1/365
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1708746A
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US2854882A
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US3087154A
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US3237194A
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US3237010A
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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) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |