Patent US3407600A successfully refreshed from Google Patents.
US3407600A
Expired / Lapsed
US
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Hydro-dynamic drive for marine propulsion unit
Assignee: Outboard Marine Corp
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Filing: 1967-02-17
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Granted: 1968-10-29
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Expires: 1987-02-17
Abstract
No abstract record available.
Inventors
- 👤 James A Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:35
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/14; B63H23/00; B63H23/30; F; F16; F16H; F16H61/00; F16H61/38; F16H61/48; F16H61/64; B63H2023/305
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) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |