Patent US2490293A successfully refreshed from Google Patents.
US2490293A
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Crankpin lubrication means
Assignee: Wright Aeronautical Corp
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Filing: 1946-04-23
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Granted: 1949-12-06
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Expires: 1966-04-23
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:17
CPC Classifications
F; F16; F16N; F16N9/00; F16N9/04; F16C; F16C3/00; F16C3/04; F16C3/06; F16C3/14; Y; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/0971; Y10T137/108; Y10T137/1135; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/8593; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87861
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |