Key telephone set
USD301031S · kind S · design
17Cited by
14References
1Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 22, 1986 |
| Grant date | May 9, 1989 |
| Priority date | — |
| Expiry date | May 9, 2003 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.