US2960760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propeller blade construction
Assignee: Curtiss Wright Corp
•
Filing: 1955-12-22
•
Granted: 1960-11-22
•
Expires: 1975-12-22
Abstract
No abstract record available.
Inventors
- 👤 Don R Woolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:16
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/16; B64C11/20; B64C11/24; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12236; Y10T428/1225; Y10T428/12382; Y10T428/12389
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2081646A
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US2094076A
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US2303707A
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US2337222A
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US2465872A
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US2463101A
Cited
US2540709A
Cited
US2700211A
Cited
US2812572A
Cited
US2754916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |