Footwear fluid-filled chamber having central tensile feature
US10806214B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2013 |
| Grant date | Oct 20, 2020 |
| Priority date | — |
| Expiry date | Jun 8, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB33Y80/00
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An article of footwear includes a sole structure including a chamber for receiving a pressurized fluid, the chamber having a top portion, a bottom portion, and side portions around a periphery of the chamber. The sole structure also includes a central structure located in a central portion of the chamber between opposing side portions of the chamber, such that the chamber is devoid of additional structures in a surrounding region around the central structure and extending from the central structure to the side portions of the chamber. On all sides of the central structure, a dimension of the surrounding region between the central structure and the nearest side portion is one third or more of a span across the chamber between opposing side portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.