Ski
Patent 4697820 Issued on October 6, 1987. Estimated Expiration Date: 
October 6, 2004. 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.
October 6, 2004. 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 2038077 2158325 3096530 Modifiable stiffness ski Patent #: 4592567 InventorsAssigneeApplicationNo. 06/576740 filed on 02/03/1984US Classes:280/609, With special shape, contour, or groove280/602, With camber or flexibility control280/610Laminated or synthetic materialExaminersPrimary: Love, John J.Assistant: Culbreth, Eric Attorney, Agent or FirmInternational ClassesA63C 5/06 (20060101)A63C 5/07 (20060101) A63C 5/12 (20060101) Foreign Application Priority Data1983-02-04 JPAbstractA ski comprises a ski upper-surface constituting member provided with at least one cut portion of any desired shape; and an upper-surface projection member defined by at least one upper-surface member and a reinforcing member which are separately formed, and having the shape of a roof whose ridge is defined by the widthwise central portion thereof. The upper-surface projection member is fitted and secured into the cut portion, thereby to form a roof-shaped projection on the upper-surface constituting member. | |
