3D air-pumping shoe
US6948260B2 · kind B2 · utility
24Cited by
2References
3Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 24, 2003 |
| Grant date | Sep 27, 2005 |
| Priority date | — |
| Expiry date | Jan 4, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B7/125
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A 3D air-pumping shoe having a first and a second chambers respectively on the rear and the front of the outsole; at lease one ventilation outlet being disposed on the side walls of both chambers for external connection; an air unit being each disposed in the first chamber and the second chamber, each air unit containing multiple laterally disposed air ducts that connecting through those ventilation outlets on the side walls of the outsole; and a waterproof air permeable film and a air permeable cushion being paved in sequence above the air unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.