Plaque with sunk relief
USD249487S · kind S · design
18Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 18, 1977 |
| Grant date | Sep 19, 1978 |
| Priority date | — |
| Expiry date | Sep 19, 1992 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.