Patent US3012337A successfully refreshed from Google Patents.
US3012337A
Expired / Lapsed
US
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Carrier landing trainer
Assignee: ACF Industries Inc
•
Filing: 1958-04-04
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Granted: 1961-12-12
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Expires: 1978-04-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard A Spencer
- 👤 Charles B Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:15
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/02; G09B9/08; G09B9/30; G09B9/305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR747274A
Cited
US2385095A
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US2406751A
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US2591752A
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GB622312A
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US2516069A
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US2578939A
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US2662305A
Cited
US2838848A
Cited
GB751628A
Cited
US2883763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |