Patent US3230698A successfully refreshed from Google Patents.
US3230698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine engine drive
Assignee: Individual
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Filing: 1964-12-09
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Granted: 1966-01-25
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Expires: 1984-12-09
Abstract
No abstract record available.
Inventors
- 👤 Henry D Nettles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:45
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/14; B63H20/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
166 words
A MOTOR FOR USE ON SMALL BOATS COMPRISING: (A) AN INTERNAL COMBUSTION ENGINE; (B) AN ENGINE SHAFT EXTENDING DOWNWARDLY FROM THE BOTTOM OF SAID ENGINE AND OPERATIVELY COUPLED TO SAID ENGINE TO BE DRIVEN BY SAID ENGINE; (C) A PROPELLER DRIVE SHAFT DISPOSED IMMEDIATELY BELOW SAID ENGINE SHAFT AND AXIALLY ALIGNED THEREWITH; (D) PROPELLER MEANS OPERATIVELY COUPLED TO THE LOWER END OF SAID PROPELLER DRIVE SHAFT; (E) CLUTCH MEANS OPERATIVELY ASSOCIATED WITH SAID ENGINE SHAFT AND SAID PROPELLER DRIVE SHAFT TO ALTERNATELY COUPLE SAID ENGINE SHAFT TO AND UNCOUPLE SAID ENGINE SHAFT FROM SAID PROPELLER DRIVE SHAFT; AND (F) AN ELECTRIC DYNAMO OPERATIVELY COUPLED TO SAID PROPELLER DRIVE SHAFT BELOW SAID CLUTCH MEANS AND HAVING ITS ARMATURE FIXEDLY COUPLED TO SAID PROPELLER DRIVE SHAFT, WHEREBY SAID ARMATURE ROTATES WHEN SAID PROPELLER DRIVE SHAFT ROTATES AND SAID DYNAMO OPERATES AS A GENERATOR WHEN SAID ENGINE SHAFT IS COUPLED TO SAID PROPELLER DRIVE SHAFT AND A MOTOR WHEN SAID ENGINE SHAFT IS UNCOUPLED FROM SAID PROPELLER DRIVE SHAFT.
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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |