Cushioning structure
US11638488B2 · kind B2 · utility
0Cited by
2References
18Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 8, 2018 |
| Grant date | May 2, 2023 |
| Priority date | — |
| Expiry date | Oct 23, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2479/00
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A cushioning structure includes a first layer of a three-dimensional structured mat of extruded entangled filaments, the cushioning structure includes a second layer of a three-dimensional structured mat of extruded entangled filaments, and the cushioning structure includes an intermediate layer between the first layer of the three-dimensional structured mat and the second layer of the three-dimensional structured mat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.