[in 3,890,725 [45] June 24, 1975
[54] SHOE CONSTRUCTION
[75] Inventors: Darrell Bernard Lea, Kogarah, Sydney, Australia; Laszlo Klein,
Hendon, London, England
[73] Assignees: Darrel Bernard Lea; Robert Phillips Marcus; Howard Lee Gilman, all of New York, N.Y.
[22] Filed: Sept. 14, 1973
[21] Appl. No.: 397,344
[52] U.S. CI 36/11.5
[51] Int. CI A43b3/14
[58] Field of Search 36/2.5 R, 2.5 C, 2.5 W,
36/11.5, 43
[56] References Cited
UNITED STATES PATENTS
2,183,277 12/1939 Heilhecker 36/2.5 W
2,468,573 4/1949 Rimer 36/11.5
2,482,333 9/1949 Everston 36/43
2,773,317 12/1956 Helle 36/11.5
3,742,625 7/1973 Famolare 36/11.5
A shoe construction comprising a unitary, molded sole unit having a plurality of female connectors spaced along the periphery of the upper portion thereof, and an upper and an insole permanently or removably attached to the sole unit to form a finished shoe. In one embodiment, male connectors are secured to the peripheral portion of the insole and are positioned to mate with the female connectors in the upper portion of the sole unit. The edge portions of the upper are turned in under the insole and are provided with a plurality of holes which are positioned to enable the male connectors on the insole to extend therethrough. In this manner, the upper and the insole can be removably or permanently attached to the sole unit. In another embodiment, the male connectors are secured to the turned-in edge portions of the upper, and additional male connectors are secured to the insole for the purpose of removably or permanently securing the insole and the upper to the sole unit.
50 Claims, 18 Drawing Figures