US1404403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airplane propeller
Assignee: RAY L STURM
•
Filing: 1921-01-12
•
Granted: 1922-01-24
•
Expires: 1941-01-12
Abstract
No abstract record available.
Inventors
- 👤 Will D Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:10
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/32; B64C11/34; B64C11/343
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) | 1925-01-23 | 1925-07-25 | 1926-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-01-23 | 1929-07-25 | 1930-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-01-23 | 1933-07-25 | 1934-01-24 | $7700.00 | Window Closed / Lapsed |