Traction mat for vehicles
Patent 5439171 Issued on August 8, 1995. Estimated Expiration Date: 
February 22, 2014. 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 22, 2014. 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 1159657 1324291 1425101 1574729 2479760 Vehicle wheel traction mat Patent #: 4650115 InventorAssigneeApplicationNo. 198403 filed on 02/22/1994US Classes:238/14, Traction mats152/208, Anti-skid devicesD12/203Mat, step, or step plate (38)ExaminersPrimary: Ball, Michael W.Assistant: Lorin, Francis J. Attorney, Agent or FirmInternational ClassB60B 039/12Foreign Application Priority Data1993-02-22 AUAbstractA traction mat for vehicles has panels of flexible resilient material interconnected by sets of overlapping links which enable the panels to be folded in a stacked arrangement.Recesses or slots in the upper faces of the panels provide grip for a vehicle's tires and holes in the panel enable the panel to be pushed down through mud to a solid surface. | |
