Boots – shoes – and leggings – Boots and shoes – Ventilated
Patent
1989-09-07
1990-12-25
Sewell, Paul T.
Boots, shoes, and leggings
Boots and shoes
Ventilated
36 399R, A43B 706
Patent
active
049793179
ABSTRACT:
A shoe with a synthetic resin shell that is easily and inexpensively mass produced, and which is both water proof and provides ventilation included a number of ventilation holes in the shell. The size of the ventilating holes are such that surfaces tension forces prevent water from entering the shoe through the ventilation holes.
REFERENCES:
patent: 911740 (1909-02-01), Montgomery
patent: 1168166 (1916-01-01), Cook
patent: 3310887 (1967-03-01), Stokis
patent: 4771555 (1988-09-01), Ohashi
Meyers Andrew D.
Sewell Paul T.
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