US2460910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propeller hub and associated blades
Assignee: Curtiss Wright Corp
•
Filing: 1944-11-06
•
Granted: 1949-02-08
•
Expires: 1964-11-06
Abstract
No abstract record available.
Inventors
- 👤 Jack H Sheets
- 👤 Maurice E Cushman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:21
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/02; B64C11/04; B64C11/06; F; F16; F16C; F16C19/00; F16C19/02; F16C19/14; F16C19/18; F16C19/181; F16C19/182; F16C33/00; F16C33/30; F16C33/38; F16C33/42; F16C2326/00; F16C2326/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1951321A
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US2032255A
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US2113478A
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US2135190A
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US2208602A
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US2308488A
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US2307101A
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US2396630A
Cited
GB546054A
Cited
US2379302A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-08 | 1952-08-09 | 1953-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-08 | 1956-08-09 | 1957-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-08 | 1960-08-09 | 1961-02-08 | $7700.00 | Window Closed / Lapsed |