Shoe with sole including hollow space inflatable through removable bladder
Patent 5295314 Issued on March 22, 1994. Estimated Expiration Date: 
September 22, 2012. 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.
September 22, 2012. 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 508034 1010187 2682712 3120712 3125816 Inflatable sole shoe Shoe sole construction Insole construction for articles of footwear Footwear Footwear having improved shock absorption InventorApplicationNo. 949166 filed on 09/22/1992US Classes:36/29, Pneumatic36/25R, SOLES36/76R, SHANKS36/107Having shoe-reinforcing plateExaminersPrimary: Sewell, Paul T.Assistant: Patterson, Marie Attorney, Agent or FirmInternational ClassesA43B 013/18A43B 013/20 A43B 013/00 31 Foreign Application Priority Data1992-05-23 EPAbstractA shoe formed by an upper and a flat sole of a type having an air chamber made up of compartments, capable of being inflated by means of valves, the flat sole of which is provided with a raised perimetral edge. The sole receives the air chamber and is connected with a rigid countersole and upper by means of stitching, gluing or the like, there being also included in such flat sole a rigid layer. This combination provides a flexible cavity capable of allowing flat and parallel movement of the arch support of the shoe in relation to the outer sole. | |
