Shoe having an inflatable bladder
US6785985B2 · kind B2 · utility
87Cited by
348References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2002 |
| Grant date | Sep 7, 2004 |
| Priority date | — |
| Expiry date | Jul 21, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87394
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An article of footwear including a sole and an upper with an exterior and interior surface, and a bladder which comprises at least one of the exterior or interior surfaces. The bladder comprising sheets of polyurethane attached together via welding. The bladder includes a medial compartment and a lateral compartment attached to each other under the foot of the wearer. The article of footwear also includes a inflation mechanism for selectively introducing air to the chambers. The inflation mechanism is located under the foot of the wearer to be activated by the normal action of the wearer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.