US1415176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aeroplane control
Assignee: Individual
•
Filing: 1921-06-04
•
Granted: 1922-05-09
•
Expires: 1941-06-04
Abstract
No abstract record available.
Inventors
- 👤 John T Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:38
CPC Classifications
B; B64; B64C; B64C13/00; B64C13/24; B64C13/26; B64C13/28; B64C13/30; B64C13/02; B64C13/04; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20201; Y10T74/20207; Y10T74/20213; Y10T74/2022; Y10T74/20256; Y10T74/20396; Y10T74/20474; Y10T74/20516; Y10T74/20576; Y10T74/20636; Y10T74/2066; Y10T74/20666
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) | 1925-05-08 | 1925-11-07 | 1926-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-05-08 | 1929-11-07 | 1930-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-05-08 | 1933-11-07 | 1934-05-09 | $7700.00 | Window Closed / Lapsed |