Face mask for diver
US6350030B2 · kind B2 · utility
20Cited by
1References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 12, 2001 |
| Grant date | Feb 26, 2002 |
| Priority date | — |
| Expiry date | Feb 12, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/027
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A face mask is provided with buckles, each of the buckles including a first support member and a second support member. A head strap is guided and folded back by the first support member. A spring extending in a width direction of the head strap is inserted from the front or the lateral side of the face mask into a space defined between distal ends of the first and second support members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.