Portable air purifier
USD394311S · kind S · design
10Cited by
9References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 1997 |
| Grant date | May 12, 1998 |
| Priority date | — |
| Expiry date | May 12, 2012 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.