Portable containment device
US11730981B2 · kind B2 · utility
0Cited by
14References
20Claims
0Family size
Inventor
Key dates
| Filing date | Mar 9, 2020 |
| Grant date | Aug 22, 2023 |
| Priority date | — |
| Expiry date | Aug 6, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B25/00
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Portable containment device having a chamber which further includes a first end, a second end, and a vertical wall, wherein a filter is arranged at the second end to entrap airborne particles emitted into an opening formed at the first end of the portable containment device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.