Footwear insole for alleviating arthritis pain
US8479413B2 · kind B2 · utility
14Cited by
23References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2008 |
| Grant date | Jul 9, 2013 |
| Priority date | — |
| Expiry date | Feb 11, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B17/023
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Disclosed is a footwear insole for alleviating arthritis pain of the foot, knee, and/or hip by providing a rigid shell layer for arch support, and a topcloth, an upper cushioning layer, and a lower cushioning layer for cushioning. Further, the rigid shell layer includes a shell aperture, and the lower cushioning layer includes a lower layer aperture, through which a portion of the upper cushioning layer extends for cushioning.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.