Football helmet having a removable inflatable liner and a method for making the same
US6226801A · kind A · utility
138Cited by
10References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 1999 |
| Grant date | May 8, 2001 |
| Priority date | — |
| Expiry date | Nov 29, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA42B3/122
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The invention pertains to protective helmet that has an inflatable liner that is constructed with a multiplicity of cells each separated by constrictions of a narrower cross-section. The liner has a central ring and a plurality of loops extending therefrom adapted to protect various portions of the wearer's skull. The structure of the liner permits the liner to be molded using various molding techniques.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.