Face mask for diving
US6698033B2 · kind B2 · utility
5Cited by
6References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 21, 2001 |
| Grant date | Mar 2, 2004 |
| Priority date | — |
| Expiry date | May 28, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63C11/12
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A diving face mask 1 has a skirt 3 of which a part forms a nose cover 9. The nose cover 9 has a bottom wall 12 configured so that the inner surface of the bottom wall 12 facing nares of a wearer of the mask curves along transversely middle portion 13 of the inner surface so as to protrude inwardly of the nose cover 9 with respect to the portions of the inner surface extending on both sides of the middle portion 13.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.