Patent US3403655A successfully refreshed from Google Patents.
US3403655A
Expired / Lapsed
US
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Inboard-outboard stern drive
Assignee: STERN DRIVE CORP
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Filing: 1965-01-25
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Granted: 1968-10-01
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Expires: 1985-01-25
Abstract
No abstract record available.
Inventors
- 👤 John W Warburton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:04
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/14; B63H20/22; B63H20/08; B63H20/10; B63H20/12; B63H23/00; B63H23/02; B63H2023/0208; B63H2023/0216; B63H2023/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2809605A
Cited
US2927552A
Cited
US2930342A
Cited
US3088430A
Cited
US3136287A
Cited
US3191573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |