Concussive helmet
US9975032B2 · kind B2 · utility
9Cited by
55References
2Claims
0Family size
Inventor
Key dates
| Filing date | Mar 24, 2014 |
| Grant date | May 22, 2018 |
| Priority date | — |
| Expiry date | Aug 11, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA42B3/064
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An improved protective helmet having an outer impact receiving shell, and inner protective shell and an intermediate piston interposed between the outer and inner shells which allows the inner shell to decelerate gradually when the outer shell is subjected to a sudden impact, and which, therefore, permits the brain to decelerate safely.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.