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US1380406A
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High-altitude flying-machine
Assignee: ARTHUR B SULLIVAN
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Filing: 1919-09-12
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Granted: 1921-06-07
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Expires: 1939-09-12
Abstract
No abstract record available.
Inventors
- 👤 Samuel D Mott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:00
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/32; B64C11/34; A; A62; A62B; A62B17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1924-06-06 | 1924-12-06 | 1925-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-06-06 | 1928-12-06 | 1929-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-06-06 | 1932-12-06 | 1933-06-07 | $7700.00 | Window Closed / Lapsed |