Patent US2411227A successfully refreshed from Google Patents.
US2411227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power plant for airplanes
Assignee: Individual
•
Filing: 1941-11-17
•
Granted: 1946-11-19
•
Expires: 1961-11-17
Abstract
No abstract record available.
Inventors
- 👤 Andre P E Planiol
- 👤 Rene J H Planiol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:28
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/04; F02C3/055; F02B; F02B37/00; F02B37/005; F02B37/007; F02B37/12; F02B37/16; F02B37/164; F02B37/166; F02B39/00; F02B39/005; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
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) | 1949-11-18 | 1950-05-20 | 1950-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-11-18 | 1954-05-20 | 1954-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-11-18 | 1958-05-20 | 1958-11-19 | $7700.00 | Window Closed / Lapsed |