US1396459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aeroplane
Assignee: Individual
•
Filing: 1920-12-10
•
Granted: 1921-11-08
•
Expires: 1940-12-10
Abstract
No abstract record available.
Inventors
- 👤 Ortgier George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:15
CPC Classifications
B; B64; B64C; B64C13/00
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) | 1924-11-07 | 1925-05-09 | 1925-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-11-07 | 1929-05-09 | 1929-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-11-07 | 1933-05-09 | 1933-11-08 | $7700.00 | Window Closed / Lapsed |