Combined lighting and air purification fixture
USD326925S · kind S · design
7Cited by
6References
1Claims
0Family size
Inventor
Key dates
| Filing date | Nov 20, 1989 |
| Grant date | Jun 9, 1992 |
| Priority date | — |
| Expiry date | Jun 9, 2006 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.