Patent US3411013A successfully refreshed from Google Patents.
US3411013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine accessory drive
Assignee: Individual
•
Filing: 1966-04-04
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Granted: 1968-11-12
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Expires: 1986-04-04
Abstract
No abstract record available.
Inventors
- 👤 Roger G Vogelsang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:24
CPC Classifications
B; B63; B63J; B63J3/00; B63J3/02; F; F16; F16D; F16D21/00; F16D21/02; F16D23/00; F16D23/02; F16D23/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
AN ACCESSORY DRIVE SYSTEM FOR SAILING CRAFT AND THE LIKE, COMPRISING IN COMBINATION: A PROPELLER ELEMENT ROTATABLY MOUNTABLE UPON SUCH A CRAFT; AN INTERNAL COMBUSTION ENGINE FOR PROVIDING POWER TO DRIVE SAID PROPELLER; MEANS INTERCONNECTING SAID PROPELLER AND ENGINE FOR COUPLING SAID POWER SOURCE TO SAID PROPELLER AND ALSO FOR UNCOUPLING SAID PROPELLER FROM SAID ENGINE; SAID PROPELLER WHEN UNCOUPLED AND DRAWN THROUGH THE WATER BY THE MOVEMENT OF SAID CRAFT WHILE UNDER SAIL AND BEING SUBSTANTIALLY FREELY ROTATABLE; AND GENERATING MEANS COUPLED
Claim 2
Dependent Claim
83 words
AN ACCESSORY DRIVE SYSTEM FOR SAILING CRAFT AND THE LIKE, COMPRISING IN COMBINATION: A PROPELLER ELEMENT ROTATABLY MOUNTABLE UPON SUCH A CRAFT; AN INTERNAL COMBUSTION ENGINE FOR PROVIDING POWER TO DRIVE SAID PROPELLER; MEANS INTERCONNECTING SAID PROPELLER AND ENGINE FOR COUPLING SAID POWER SOURCE TO SAID PROPELLER AND ALSO FOR UNCOUPLING SAID PROPELLER FROM SAID ENGINE; SAID PROPELLER WHEN UNCOUPLED AND DRAWN THROUGH THE WATER BY THE MOVEMENT OF SAID CRAFT WHILE UNDER SAIL AND BEING SUBSTANTIALLY FREELY ROTATABLE; AND GENERATING MEANS COUPLED
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) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |