Protective helmet and face shield assembly therefor
US4047249A · kind A · utility
42Cited by
9References
3Claims
0Family size
Inventor
Key dates
| Filing date | Dec 29, 1975 |
| Grant date | Sep 13, 1977 |
| Priority date | — |
| Expiry date | Dec 29, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA42B3/24
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A protective helmet for use by race drivers, police riot squads...etc. incorporates a face shield assembly involving means for overcoming problems of breakage, glare and fogging by associating with a face shield of substantially unbreakable material, coatings or layers of polarized and/or light effecting material treated for fog prevention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.