US2780422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flying aircraft carrier
Assignee: Individual
•
Filing: 1955-07-05
•
Granted: 1957-02-05
•
Expires: 1975-07-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Melvin R Maglio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:42
CPC Classifications
B; B64; B64D; B64D5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1731757A
Cited
GB317774A
Cited
US2185235A
Cited
US2399217A
Cited
FR1006380A
Cited
US2680346A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |