Snow disk for a ski staff
Patent 3963254 Issued on June 15, 1976. Estimated Expiration Date: 
June 15, 1993. 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.
June 15, 1993. 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 References3866931 InventorAssigneeApplicationNo. 561771 filed on 03/24/1975US Classes:280/824Ring or basketExaminersPrimary: Wood, M. H. Jr.Assistant: Smith, Milton L. Attorney, Agent or FirmForeign Application Priority Data1974-03-28 SFAbstractAn asymetric disk for a ski staff with hand straps, in which the front edge of the disk is in close proximity to the staff. Only the rear edge and/or the lateral edge of the disk extend to form the bearing surfaces of the disk. The hand straps are attached to the staff on the side of the rear edge. The disk is rigid in its central area and is keyed to the shaft so as not to be rotatable thereon. | |
