Mask apparatus
US12179045B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 15, 2021 |
| Grant date | Dec 31, 2024 |
| Priority date | — |
| Expiry date | Feb 6, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B23/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A mask apparatus includes a mask body, a fan module configured to be disposed at a front surface of the mask body, a mask body cover that is coupled to the mask body and configured to cover the fan module and that includes a filter mounting portion, a seal that is disposed at a rear surface of the mask body and defines a breathing space therein, a filter configured to be disposed at the filter mounting portion, and a filter cover coupled to the filter mounting portion and configured to cover the filter from an outside of the mask body cover. The filter cover includes a front surface portion, and a side surface portion that is disposed rearward relative to the front surface portion and extends along an edge of the front surface portion, the side surface portion defining an air inlet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.