Patent US3471627A successfully refreshed from Google Patents.
US3471627A
Expired / Lapsed
US
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Apparatus for simulating navigation and attitude flying of aircraft
Assignee: Individual
•
Filing: 1967-07-06
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Granted: 1969-10-07
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Expires: 1987-07-06
Abstract
No abstract record available.
Inventors
- 👤 Louis C Ziegler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:11
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/02; G09B9/08; G09B9/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3208336A
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US2536474A
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US2526693A
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US2529468A
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US2841885A
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US2809444A
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US2960906A
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US3229017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |