Conformable shoe with vacuum formed sole
Patent 5383290 Issued on January 24, 1995. Estimated Expiration Date: 
October 23, 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.
October 23, 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 2397413 2598217 2716293 3760056 Insole for shoes Ski boot Sports boot for skiers and the like Inflatable boot liner with electrical generator and heater Footwear having ventilation and shock-absorbing properties Variable support shoe InventorApplicationNo. 965176 filed on 10/23/1992US Classes:36/93, Form-fitting interior36/44, Laminated36/88Foot-supporting or foot-conforming featureExaminersPrimary: Sewell, Paul T.Assistant: Hilliard, Thomas P. Attorney, Agent or FirmInternational ClassesA43B 007/1435 B 43 AbstractShoes are provided with soles and upper portions which conform to the configuration of the user's feet by the use of vacuum formable bladders in the sole of the shoes and/or in the sides of the upper portions of the shoes. The bladders are filled with material, such as small spherical particles, which retains a configuration conforming to the shape of the feet under reduced pressure conditions. A vacuum pump is provided, and it may be located in the heel area of the shoe to be actuated by walking or running to evacuate air from the bladders.Field of SearchFoot-supporting or foot-conforming featureForm-fitting interior With suction retaining means Comprising a moldable composition, e.g., "plastic" Ventilated Uppers Soles Fitting Laminated PADS SOLES With ventilating means Ankle support Arch support Heel support Athletic shoe or attachment therefor Cushion Pneumatic Laminated Cushion | |
