Podiatric insole
OwnerHenry M. Smithinventor
Life of this patent
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Abstract
A podiatric insole of the type having upper and lower flexible walls sealed about their edges to form an envelope containing a flowable cushioning material. The envelope has one or more slits extending inwardly from the medial side thereof in the region of the shank of the shoe to facilitate curvature of the medial side portion of the insole upwardly about the arch of the wearer.
Claims5
A podiatric insole conforming generally in outline to at least a portion of the wearer's foot including the central arch portion thereof, said insole comprising an upper wall adapted to engage against the under side of the wearer'foot and a lower wall connected along its margin to said upper wall to form a closed envelope, said envelope containing a flowable cushioning material, said envelope having slit means at said medial side extending inwardly thereof to provide a portion which is adapted to curve upwardly against the medial side of the arch of the wearer, the upper and lower walls of said envelope being connected along the opposite edges of said slit means to form a closed envelope.
Dependencies are inferred from the claim text.