Removable inner sole for footwear

Details Removable inner sole for footwear Removable inner sole for footwear

1978-12-29

1980-08-05

Kee Chi, James

Boots, shoes, and leggings

Insoles

Laminated

36 3B, A43B 1338, A43B 708, A43B 1340

Patent

active

042154928

ABSTRACT:
A ventilating insole for use in a shoe in which the same includes an interior chamber for the forced flow of air unobstructed and uninterruptedly between the heel and toe portions thereof and through inlet and outlet openings.

REFERENCES:
patent: 1660698 (1928-02-01), Williams, Sr.
patent: 1809323 (1931-06-01), Williams, Sr.
patent: 2441879 (1948-05-01), Gantt
patent: 2442026 (1948-05-01), Thompson, Jr.
patent: 2474815 (1949-07-01), Brahm
patent: 3416245 (1968-12-01), Ferreira
patent: 3475836 (1969-11-01), Brahm
patent: 3670429 (1972-06-01), Androsiglio
patent: 3716930 (1973-02-01), Brahm
patent: 3785069 (1974-01-01), Brown
patent: 3791051 (1974-02-01), Kamimura

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