Outsole with stepped projections for article of footwear
US9655403B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 12, 2013 |
| Grant date | May 23, 2017 |
| Priority date | — |
| Expiry date | Apr 12, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43C15/168
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An article of footwear includes an outsole having a base with an upper surface that faces the upper and a lower surface that faces away from the upper surface. The outsole also includes a first stepped projection that projects in a plurality of first steps from the lower surface. The plurality of first steps is defined by a plurality of first tread surfaces and a plurality of first riser surfaces. The outsole additionally includes a second stepped projection that projects in a plurality of second steps from the lower surface. The plurality of second steps is defined by a plurality of second tread surfaces and a plurality of second riser surfaces. The second stepped projection is spaced away from the first stepped projection relative to the lateral axis of the article of footwear.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.