Housing for telephone switchboard
USD353143S · kind S · design
9Cited by
9References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 22, 1992 |
| Grant date | Dec 6, 1994 |
| Priority date | — |
| Expiry date | Dec 6, 2008 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.