Mini pleated face mask
US6474336B1 · kind B1 · utility
38Cited by
34References
20Claims
0Family size
Inventor
Key dates
| Filing date | Mar 20, 2000 |
| Grant date | Nov 5, 2002 |
| Priority date | — |
| Expiry date | Mar 20, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA41D13/1115
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A face mask comprising mini pleats which are sized and configured to create a standing seam, that structurally forms a breathing chamber when the face mask is placed upon a user's face.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.