US2658265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making propeller blades
Assignee: Individual
•
Filing: 1950-04-22
•
Granted: 1953-11-10
•
Expires: 1970-04-22
Abstract
No abstract record available.
Inventors
- 👤 Charles A Brauchler
- 👤 Chandis H Brauchler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:28
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/02; B21C23/04; B21C23/08; B21C23/085; B21D; B21D53/00; B21D53/78; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49332; Y10T29/49334
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1503170A
Cited
US1702278A
Cited
US1980834A
Cited
US1924294A
Cited
US1869478A
Cited
US1942221A
Cited
US2002415A
Cited
US2081645A
Cited
US2312095A
Cited
US2312094A
Cited
US2485534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |