Flexible ocean-going vessels with surface conforming hulls
Patent 6874439 Issued on April 5, 2005. Estimated Expiration Date: 
February 24, 2023. 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.
February 24, 2023. 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 2119775 2347959 2391326 3002484 3316873 3348513 3659546 Survival capsule module and methods of constructing and utilizing RE31563 Draft assisted delivery system InventorAssigneeApplicationNo. 10373307 filed on 02/24/2003US Classes:114/61.1, Multiple hulls114/283, Having laterally disposed skids or pontoons114/61.15With connecting means permitting relative movement between hullsExaminersPrimary: Swinehart, Edwin L.Attorney, Agent or FirmForeign Patent References
International ClassB63B001/00AbstractThe vessel has a pair of flexible hulls flexibly coupled to a “cabin” between and above the hulls, thereby allowing the hulls to independently follow the surface of the water. Motor pods are hinged to the back of the hulls to maintain the propulsion system in the water, even if the stern of one or both hulls tends to lift out of the water when crossing swells and the like. Various other embodiments and features are disclosed.Other References
Field of SearchSectionalHorizontal sections Including a submerged hull (e.g., semisubmerged watercraft, etc.) With connecting means permitting relative movement between hulls Movably mounted hull portion or hull adjunct Sectional Vessel carrier Hull pivots about a vertical axis Steering Observation boats Inflatable Multiple hulls Having laterally disposed skids or pontoons | |
