Combined air ionizer and cleaner
USD275317S · kind S · design
10Cited by
13References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 4, 1982 |
| Grant date | Aug 28, 1984 |
| Priority date | — |
| Expiry date | Aug 28, 1998 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.