Face mask for diving
US6381761B2 · kind B2 · utility
7Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2001 |
| Grant date | May 7, 2002 |
| Priority date | — |
| Expiry date | Feb 16, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63C11/12
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A face mask for diving includes a pair of front lenses and a nose cover formed by a portion of a skirt between these lenses. Proximal ends of the nose cover and a portion of the skirt being contiguous to these proximal ends are curved along the lens frame with the lenses held therein closely in contact with an inner peripheral surface and an inner surface of the lens frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.