Cabinet for PBX circuits
USD338874S · kind S · design
11Cited by
3References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 28, 1992 |
| Grant date | Aug 31, 1993 |
| Priority date | — |
| Expiry date | Aug 31, 2007 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.