| 3402485 | Animal track footwear soles | September, 1968 | McMorrow | |
| 4358902 | Thrust producing shoe sole and heel | November, 1982 | Cole et al. | |
| 4577417 | Sole-and-heel structure having premolded bulges | March, 1986 | Cole | |
| 4779359 | Shoe construction with air cushioning | October, 1988 | Famolare, Jr. | |
| 5005575 | Plantar support | April, 1991 | Geri | |
| 5533282 | Hard plate of each of spike shoes for field and track events | July, 1996 | Kataoka et al. | |
| 5545463 | Heel/metatarsal structure having premolded bulges | August, 1996 | Schmidt et al. | |
| 5625964 | Athletic shoe with rearfoot strike zone | May, 1997 | Lyden et al. | |
| 5625965 | Stand easy shoe insert | May, 1997 | Blissett et al. |
| GB2085278 | April, 1982 | |||
| GB2201082 | August, 1988 |
FIG. 1 is a bottom plan view of a portion of shoe sole showing our new design;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is perspective view thereof;
FIG. 7 is a bottom plan view of a portion of a shoe sole showing an alternate embodiment of our new design;
FIG. 8 is a left side elevational view thereof;
FIG. 9 is a right side elevational view thereof;
FIG. 10 is a front elevational view thereof;
FIG. 11 is a rear elevational view thereof; and,
FIG. 12 is a perspective view thereof.
The broken line showing of a portion of a shoe sole is environmental only and forms no part of the claimed design.