US2595650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Model airplane flight control
Assignee: Individual
•
Filing: 1950-03-10
•
Granted: 1952-05-06
•
Expires: 1970-03-10
Abstract
No abstract record available.
Inventors
- 👤 Warren G Eppler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:01
CPC Classifications
A; A63; A63H; A63H27/00; A63H27/04; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20207
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1400097A
Cited
US1852340A
Cited
US1895871A
Cited
US2061953A
Cited
US2404922A
Cited
US2538132A
Cited
US2454598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |