Slip resistant footwear

Details Slip resistant footwear Slip resistant footwear

1985-12-12

1987-06-23

Kee Chi, James

Boots, shoes, and leggings

Boots and shoes

Overshoes

36 29, 36 59R, A43B 1322, A43B 1320, A43B 310, A43C 1500

Patent

active

046742000

ABSTRACT:
Slip resistant footwear comprising a sole having a top face and a bottom face for contact with the surface to be walked upon; a vacuum chamber whose volume decreases when force is applied to the top face of the sole; a passageway connecting the bottom face of the sole with the vacuum chamber; means for permitting the passage of air from the vacuum chamber to the atmosphere operative when the volume of the vacuum chamber decreases; and means for securing the sole proximate to a foot of the user.

REFERENCES:
patent: 1133135 (1915-03-01), Hall
patent: 1148376 (1915-07-01), Gay
patent: 1653059 (1927-12-01), Nelson
patent: 2738598 (1956-03-01), Inga
patent: 3043025 (1962-07-01), Semon
patent: 3225463 (1865-12-01), Burnham
patent: 4063371 (1977-12-01), Batra
patent: 4118878 (1978-10-01), Semon

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