US2050283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propeller driving mechanism
Assignee: Individual
•
Filing: 1934-05-19
•
Granted: 1936-08-11
•
Expires: 1954-05-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry V Dixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:02
CPC Classifications
B; B64; B64D; B64D35/00; B64D35/04; Y; Y10; Y10T; Y10T74/00; Y10T74/13; Y10T74/131; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19121
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) | 1939-08-11 | 1940-02-10 | 1940-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-08-11 | 1944-02-10 | 1944-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-08-11 | 1948-02-10 | 1948-08-11 | $7700.00 | Window Closed / Lapsed |