Boots – shoes – and leggings – Soles – Spring heel
Patent
1996-07-08
1997-10-28
Kavanaugh, Ted
Boots, shoes, and leggings
Soles
Spring heel
36 28, 36 35R, 36 37, A43B 1318
Patent
active
056807147
ABSTRACT:
An athletic shoe having a resilient return portion comprising a plurality of elastic strips running at an angle across the shoe from one side of the sole to the opposite side of the shoe. Such strips would be supported at a distance above the bottom surface of the shoe by a gap or well located in the shoe and running from the bottom surface of the shoe to the upper surface where the bottom of the foot rests. There may be provided a series of apertures extending through the thickness of the bottom of the shoe in order to relieve air pressure that may build up between the sole and the return portion.
REFERENCES:
patent: 1132132 (1915-03-01), Tysse
patent: 4598487 (1986-07-01), Mosevich
patent: 4638577 (1987-01-01), Riggs
patent: 5005299 (1991-04-01), Whatley
patent: 5070629 (1991-12-01), Grahmam et al.
Halvonik John P.
Kavanaugh Ted
LandOfFree
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