Patent US1375199A successfully refreshed from Google Patents.
US1375199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aeroplane control
Assignee: Aeromarine Plane & Motor Co
•
Filing: 1920-05-14
•
Granted: 1921-04-19
•
Expires: 1940-05-14
Abstract
No abstract record available.
Inventors
- 👤 Paul G Zimmermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:22
CPC Classifications
B; B64; B64C; B64C35/00; B64C35/007; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20256
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1924-04-18 | 1924-10-18 | 1925-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-04-18 | 1928-10-18 | 1929-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-04-18 | 1932-10-18 | 1933-04-19 | $7700.00 | Window Closed / Lapsed |