Patent US2930144A successfully refreshed from Google Patents.
US2930144A
Expired / Lapsed
US
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Grounded aircraft trainer
Assignee: General Precision Inc
•
Filing: 1954-07-06
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Granted: 1960-03-29
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Expires: 1974-07-06
Abstract
No abstract record available.
Inventors
- 👤 Laurence E Fogarty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:08
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/02; G09B9/08; G09B9/12; G09B9/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2234326A
Cited
US2485266A
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US2510500A
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US2510579A
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US2620463A
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US2687580A
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US2622231A
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US2712184A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |