Mask
US7086400B2 · kind B2 · utility
15Cited by
12References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 2003 |
| Grant date | Aug 8, 2006 |
| Priority date | — |
| Expiry date | Jun 10, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA41D13/11
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A mask comprising a mask main body and a face seal, wherein the outer periphery part of the main body and the outer periphery part of the face seal are adhered, said face seal is composed of a sheet prepared by laminating soft resin such as polyurethane resin on one surface of elastic fabric made of nylon or polyester fibers, and said laminated sheet is cut off to have a modified ring shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.