Footwear bladder system
US11213094B2 · kind B2 · utility
2Cited by
40References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 2019 |
| Grant date | Jan 4, 2022 |
| Priority date | — |
| Expiry date | Mar 13, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B13/189
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A sole structure for an article of footwear includes a midsole with a bladder system having a forefoot region, a midfoot region, and a heel region. The bladder system defines a first sealed chamber retaining fluid as a first cushioning layer, the first sealed chamber extending over the forefoot region, the midfoot region, and the heel region. The bladder system further defines multiple discreet sealed chambers retaining fluid in isolation from one another, each of the multiple discreet chambers disposed at one side of the first sealed chamber, and fluidly isolated from the first sealed chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.