Footwear heel retention device
US12376643B2 · kind B2 · utility
0Cited by
1References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2022 |
| Grant date | Aug 5, 2025 |
| Priority date | — |
| Expiry date | Mar 24, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B21/32
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An article of footwear including a sole structure, an upper attached to the sole structure and including an opening providing access to an interior void of the upper, a support attached to the upper at a posterior end of the upper and including a first rail disposed adjacent to the opening of the upper and a second rail extending between the first rail and the sole structure and continuously along the posterior end from a medial side of the upper to a lateral side of the upper, and a bladder disposed between the first rail and the second rail.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.