US2510578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aviation trainer
Assignee: Link Aviation Inc
•
Filing: 1946-05-28
•
Granted: 1950-06-06
•
Expires: 1966-05-28
Abstract
No abstract record available.
Inventors
- 👤 Karl A Kail
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:07
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/02; G09B9/08; G09B9/16; G09B9/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1032183A
Cited
US1920024A
Cited
US2099857A
Cited
US2359866A
Cited
US2358018A
Cited
US2465158A
Cited
US2442205A
Cited
US2439168A
Cited
US2460743A
Cited
US2463602A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |