3834046 is referenced by 101 patents and cites 3 patents.

A cushioning structure for footwear is interposed between the insole of the shoe and the ground-engaging sole and includes upper and lower sheets having a plurality of complementary and aligned protrusions and openings therebetween, the sheets being separated by an elastic diaphragm which will yieldingly resist the movement of the protrusions into the openings when the sole is compressed against the upper part of the shoe.

Shoe sole structure
Application Number
Publication Number
Application Date
April 9, 1973
Publication Date
September 10, 1974
Fowler Donald M
A43b 13/18
A43B 13/20
A43B 13/18
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