US2175204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air propeller blade
Assignee: Individual
•
Filing: 1938-01-13
•
Granted: 1939-10-10
•
Expires: 1958-01-13
Abstract
No abstract record available.
Inventors
- 👤 Lougheed Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:32
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/14; B29C45/1418; B29C70/00; B29C70/04; B29C70/06; B29C70/08; B29D; B29D99/00; B29D99/0025; B29L; B29L2031/00; B29L2031/08; B29L2031/087; Y; Y10; Y10S; Y10S264/00; Y10S264/50; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49332
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) | 1942-10-09 | 1943-04-10 | 1943-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-10-09 | 1947-04-10 | 1947-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-10-09 | 1951-04-10 | 1951-10-10 | $7700.00 | Window Closed / Lapsed |