Title:
Footwear with provision to change the air therein
United States Patent 2720041
Inventors:
Kalman, Kajtar
Publication Date:
10/11/1955
Export Citation:
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Assignee:
Kalman, Kajtar
Primary Class:
36/3B
International Classes:
A43B7/06; A43B7/00
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US Patent References:
2558973Ventilated shoe
2457944Ventilated shoe
2239211Ventilated shoe
1932557Footwear with elastic, flexible, and aerated soles embodying rubber sponge
1870114Shoe ventilating device
1380879Shoe
1144188N/A
0964482N/A
0904891N/A
0819449N/A