US3380443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant cooling arrangement for outboard propulsion apparatus
Assignee: Yanmar Co Ltd
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Filing: 1964-12-02
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Granted: 1968-04-30
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Expires: 1984-12-02
Abstract
No abstract record available.
Inventors
- 👤 Tado Hiroshi
- 👤 Ota Mitsuhiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:42
CPC Classifications
F; F01; F01P; F01P3/00; F01P3/20; F01P3/202; F02; F02B; F02B61/00; F02B61/04; F02B61/045
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) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |