Sport helmet
US9756892B2 · kind B2 · utility
3Cited by
28References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2011 |
| Grant date | Sep 12, 2017 |
| Priority date | — |
| Expiry date | Jul 31, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/4821
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A sport helmet for protecting a head of a wearer, such as a hockey, lacrosse or football player. The sport helmet has an outer shell with an internal side and an external side and an inner pad mounted to the internal side of the outer shell for absorbing shocks when the sport helmet is impacted. The inner pad has a core of polymeric cellular material with a body of expanded polymeric microspheres and a molded covering being molded onto the core of polymeric cellular material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.