Shoe sole structure

Details Shoe sole structure Shoe sole structure

1989-08-29

1991-02-19

Meyers, Steven N.

Boots, shoes, and leggings

Boots and shoes

Ventilated

36 3R, A43B 0706

Patent

active

049931733

ABSTRACT:
A shoe sole made of a flexible, resilient material and having a central longitudinal passageway therein. A fresh air intake is located at the heel region of the sole and provides ventilation air to the passageway. With each stride, the wearer pumps air from the heel through the longitudinal passageway and then out upwardly extending vents to the interior of the shoe.

REFERENCES:
patent: 900967 (1908-10-01), Miller
patent: 2267125 (1941-12-01), Molnar
patent: 2441879 (1948-05-01), Gantt
patent: 2552711 (1951-05-01), Dunker
patent: 2558973 (1951-07-01), Meaker
patent: 2741038 (1956-04-01), Eliassen
patent: 3050875 (1962-08-01), Robbins
patent: 3973336 (1973-08-01), Ahn
patent: 4102061 (1973-07-01), Saaristo
patent: 4499672 (1985-02-01), Kim
patent: 4561195 (1985-12-01), Onoda et al.
patent: 4602441 (1986-07-01), El Sakkaf
patent: 4654982 (1987-04-01), Lee
patent: 4860463 (1989-08-01), Pin

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