US2887164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propeller control system
Assignee: Motors Liquidation Co
•
Filing: 1954-02-25
•
Granted: 1959-05-19
•
Expires: 1974-02-25
Abstract
No abstract record available.
Inventors
- 👤 Sylvan G Hendrix
- 👤 Dale W Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:42
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/38; B64C11/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2545684A
Cited
US2669312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |