Air purifying unit for removing smoke from the interior of a car
USD327536S · kind S · design
0Cited by
7References
1Claims
0Family size
Inventor
Key dates
| Filing date | Apr 25, 1991 |
| Grant date | Jun 30, 1992 |
| Priority date | — |
| Expiry date | Jun 30, 2006 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.