Water-borne vessel
Patent 4968273 Issued on November 6, 1990. Estimated Expiration Date: 
September 25, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 25, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1838519 2021815 2367765 2854787 2962283 3773011 3833956 Wave motors Wave motor, especially for propulsion of boats Patent #: 4371347 InventorApplicationNo. 411690 filed on 09/25/1989US Classes:440/14, Fishtail motion propelling means440/9, WAVE POWERED PROPELLING MEANS440/22Rocking watercraftExaminersPrimary: Peters, Joseph F. Jr.Assistant: Swinehart, Edwin L. Attorney, Agent or FirmForeign Patent References
International ClassA63C 015/04AbstractA propulsion system for a water-borne vessel. There is a generally inflexible fin member. A projection member is connected to the vessel. It has a resilient connecting member attached to the generally inflexible fin member. The projection member is connected to the vessel so as to be held below water along an axis parallel to the water line.Field of SearchWAVE POWERED PROPELLING MEANSOSCILLATING PROPELLING MEANS Fishtail motion propelling means OPERATOR POWERED DRIVE FOR PROPELLING MEANS Rocking watercraft OSCILLATORY REACTION MOTION With pendulum, counterbalance or inertial weight Flexible working member Relatively movable working member portions Compound motion (e.g., feathering, undulating, etc.) | |
