Traction mat
Patent 4998670 Issued on March 12, 1991. Estimated Expiration Date: 
May 15, 2009. 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 15, 2009. 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 D260384 1405051 1594623 1863316 2486911 3096939 3425624 3672422 Ice mat Traction mat InventorApplicationNo. 351205 filed on 05/15/1989US Classes:238/14, Traction mats404/35Portable mat typeExaminersPrimary: Graham, Matthew C.International ClassE01B 023/00AbstractA ribbed traction mat, having a plurality of cup-like cleats on both sides of the mat, will provide increased traction to a vehicle tire stuck in snow, ice, mud, or sand. The mat will provide a gripping surface by seizing both the tire and the ground with the cleats. It will, thereby, provide the necessary traction to free the vehicle. | |
