Filter-type gas mask and breathing device arranged in a carrying case
US4099526A · kind A · utility
4Cited by
1References
14Claims
0Family size
Inventor
Key dates
| Filing date | Nov 30, 1976 |
| Grant date | Jul 11, 1978 |
| Priority date | — |
| Expiry date | Nov 30, 1996 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B25/00
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A filter type gas mask enclosed within a carrying case and cover comprising shock absorbing means extending from a filter head within the enclosure towards inner sidewalls of said cover and said carrying case at the area where said carrying case is connected to said cover. The filter head is held firmly within the carrying case and cover and the shock absorbing means absorb shocks in all directions. The shock absorbing means include a chin support which additionally functions to prevent direct contact between the body of the user of said mask and the filter and filter head of said mask.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.