Patent US2473899A successfully refreshed from Google Patents.
US2473899A
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Articulated and universal joint for propellers and other mechanisms
Assignee: Curtiss Wright Corp
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Filing: 1943-12-11
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Granted: 1949-06-21
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Expires: 1963-12-11
Abstract
No abstract record available.
Inventors
- 👤 Murphy Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:45
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0604; B; B64; B64C; B64C11/00; B64C11/02; B64C11/04; F16D; F16D3/00; F16C2326/00; F16C2326/43
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |