Outer sole for athletic shoe
US4364190A · kind A · utility
74Cited by
8References
35Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 14, 1980 |
| Grant date | Dec 21, 1982 |
| Priority date | — |
| Expiry date | Aug 14, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B13/223
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An outer sole (16) for use with an athletic shoe (10) is disclosed. The outer sole (16) is comprised of a base member (18) from which three layers of projections extend. The layers of projections include a first plurality of horizontal bars (24) whose width varies in accordance with the load exerted on the bottom of the sole during normal running; supplemental and intermediate bars (26, 28) extending downwardly from the first set of bars (24); and pairs of ridges (30) extending down from each intermediate bar (28) adjacent the lateral edges of the intermediate bars (28).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.