Water purification ionic gas generator
USD273695S · kind S · design
10Cited by
9References
1Claims
0Family size
Inventors
Key dates
| Filing date | Mar 22, 1982 |
| Grant date | May 1, 1984 |
| Priority date | — |
| Expiry date | May 1, 1998 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.