Rudder for aquatic craft and floating apparatus
Patent 4307677 Issued on December 29, 1981. Estimated Expiration Date: 
May 1, 1999. 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.
May 1, 1999. 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 1540079 3162402 3448714 3467045 Hydrofoil fixed strut steering control Patent #: 4100876 InventorsAssigneeApplicationNo. 06/035102 filed on 05/01/1979US Classes:114/167, Sectional114/144R, STEERING MECHANISM114/162, Rudders244/206With rotating memberExaminersPrimary: Blix, Trygve M.Assistant: Keen, D. W. Attorney, Agent or FirmInternational ClassesB63H 25/40 (20060101)B63H 25/06 (20060101) B63H 25/38 (20060101) Foreign Application Priority Data1978-05-10 DEAbstractThe invention relates to a rudder for aquatic craft wherein the rudder member is provided with a fin which is pivotable independently thereof and with a rotor on the front edge of the rudder member and/or between the latter and the fin or between the rudder member and a guide member mounted in front of said rudder member. | |
