Combined desk pen set and plaque
USD257991S · kind S · design
4Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1977 |
| Grant date | Jan 20, 1981 |
| Priority date | — |
| Expiry date | Jan 20, 1995 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.