Patent EP0268561A2 successfully refreshed from Google Patents.
US2298646A
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Lubrication system
Assignee: Wright Aeronautical Corp
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Filing: 1940-10-08
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Granted: 1942-10-13
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Expires: 1960-10-08
Abstract
No abstract record available.
Inventors
- 👤 William G Ovens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:04
CPC Classifications
F; F01; F01M; F01M1/00; F01M1/16; F16; F16N; F16N27/00; F02; F02B; F02B75/00; F02B75/16; F02B75/18; F02B75/22; F02B75/222; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2617; Y10T137/7722; Y10T137/7837; Y10T137/7876
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) | 1945-10-12 | 1946-04-13 | 1946-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-10-12 | 1950-04-13 | 1950-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-10-12 | 1954-04-13 | 1954-10-13 | $7700.00 | Window Closed / Lapsed |