US2422296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slat and flap control system
Assignee: Curtiss Wright Corp
•
Filing: 1941-08-22
•
Granted: 1947-06-17
•
Expires: 1961-08-22
Abstract
No abstract record available.
Inventors
- 👤 Fredric E Flader
- 👤 Lakowitz Frank
- 👤 Steele Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:29
CPC Classifications
B; B64; B64C; B64C13/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/7781; Y10T137/7834
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB289517A
Cited
US1806379A
Cited
US2000666A
Cited
US1994974A
Cited
US1862902A
Cited
US1982242A
Cited
US1989358A
Cited
US2111274A
Cited
GB496609A
Cited
US2226821A
Cited
US2250389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-16 | 1950-12-16 | 1951-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-16 | 1954-12-16 | 1955-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-16 | 1958-12-16 | 1959-06-17 | $7700.00 | Window Closed / Lapsed |