Water paddle and flotation device for use by swimmers
Patent 5114371 Issued on May 19, 1992. Estimated Expiration Date: 
November 15, 2010. 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.
November 15, 2010. 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 1478525 1509551 2941219 3407417 3595537 3889308 Combined aquatic support and propulsion device Patent #: 4302194 InventorAssigneeApplicationNo. 614096 filed on 11/15/1990US Classes:441/129, BODY SUPPORTING BUOYANT DEVICE440/101, OAR OR PADDLE441/56, Hand attached, held, or wornD21/803Swimming or flotationExaminersPrimary: Swinehart, Edwin L.Attorney, Agent or FirmForeign Patent References
International ClassB63C 009/08AbstractAn improved paddle assembly and flotation device for use by a swimmer to assist in propelling the swimmer through the water. The paddle assembly is of the type which has a central float and a pair of paddles supported by a rod extending outwardly from the float. The improvement of the present invention comprises a hollow, rigid thermoplastic ball having two openings and a hollow tube passed through the two openings and affixed to the openings in a watertight manner. Then, a rigid tube extends through the hollow tube, and the rigid tube extends outwardly and is affixed to a pair of paddles at each end of the rigid tube. Preferably, there are two or more handles affixed between the thermoplastic ball and the paddles.Field of SearchSWIMMING AID TO INCREASE STROKE EFFICIENCYHand attached, held, or worn BODY SUPPORTING BUOYANT DEVICE OAR OR PADDLE Articulated sectional oar or paddle OPERATOR SUPPORTED MANUALLY ACTUATED TYPE Operation solely by direct hand manipulation Simulation or having indicia, ornamentation or combined feature Relatively movable portions Arcuate planar folding of working surface Fans Fulcrum support type (e.g., oar, scull, etc.) | |
