Ski
Patent 4565386 Issued on January 21, 1986. Estimated Expiration Date: 
February 1, 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.
February 1, 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 3921994 Cross-country ski having alternate sliding and holding surfaces Patent #: 4027895 InventorAssigneeApplicationNo. 06/575771 filed on 02/01/1984US Classes:280/602, With camber or flexibility control280/607, With foot supporting plate or portion280/609With special shape, contour, or grooveExaminersPrimary: Mitchell, David M.Attorney, Agent or FirmInternational ClassesA63C 5/06 (20060101)A63C 5/00 (20060101) A63C 5/075 (20060101) AbstractThe disclosure teaches a ski having a longitudinal slot extending therethrough and terminating before the forward and rearward edges to form a partially slit ski structure. The partially slit ski structure forms side-by-side inside and outside sliding portions having mating surfaces at the cut faces wherein said cut faces are cut at an angle. Means are provided to flex the inside sliding portions to partially overlap the inside and outside sliding portions. | |
