US2667351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonlifting towed target glider
Assignee: Individual
•
Filing: 1951-03-28
•
Granted: 1954-01-26
•
Expires: 1971-03-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Marion O Mckinney
- 👤 John P Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:28
CPC Classifications
F; F41; F41J; F41J9/00; F41J9/08; F41J9/10; A; A63; A63H; A63H27/00; A63H27/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1806927A
Cited
US1573076A
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US1844448A
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US1857701A
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US2238875A
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US2298425A
Cited
US2440737A
Cited
US2528268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |