Sailboat
Patent 5601044 Issued on February 11, 1997. Estimated Expiration Date: 
August 4, 2015. 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.
August 4, 2015. 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 2484687 3195494 3838655 Sailboat construction Patent #: 4077345 InventorAssigneeApplicationNo. 511353 filed on 08/04/1995US Classes:114/39.29, With specific means acted upon by wind to provide sailpower114/90Masts and mastingExaminersPrimary: Sotelo, Jesus D.Attorney, Agent or FirmForeign Patent References
International ClassB63B 035/00Foreign Application Priority Data1994-08-04 JPAbstractA sailboat having an improved mast and boom arrangement wherein the mast is pivotally supported relative to the hull about an axis that is disposed rearwardly from the mast and close to but in front of the normal center of pressure on the sail carried thereby so as to reduce the turning moments on the hull during sailing and improve the speed performance. An improved pivotal arrangement for the boom is disclosed, as is a pivotal connection between the mast and the boom which permits the mast to be easily raised and lowered. | |
