Combined desk telephone and index unit
USD276338S · kind S · design
43Cited by
14References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 20, 1982 |
| Grant date | Nov 13, 1984 |
| Priority date | — |
| Expiry date | Nov 13, 1998 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.