Multi-density massage ball
US10307326B2 · kind B2 · utility
0Cited by
9References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 7, 2016 |
| Grant date | Jun 4, 2019 |
| Priority date | — |
| Expiry date | Nov 1, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61H2015/0064
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A massage ball having a plurality of adjacent foam layers including at least one first density foam layer, at least one second density foam layer and at least one third density foam layer, and a glue layer between each adjacent foam layer thereby adhering together the plurality of foam layers. A density of the first density foam layer is different from a density of the second density foam layer which is different from a density of the third density foam layer. The massage ball may also include a solid core in the center thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.