Portable room air purifier
USD383202S · kind S · design
49Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 24, 1992 |
| Grant date | Sep 2, 1997 |
| Priority date | — |
| Expiry date | Sep 2, 2011 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.