Fluorescent lamp unit for large screen information display
USD334242S · kind S · design
12Cited by
3References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 27, 1990 |
| Grant date | Mar 23, 1993 |
| Priority date | — |
| Expiry date | Mar 23, 2007 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.