Tabletop slide viewer
USD268590S · kind S · design
7Cited by
3References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 1981 |
| Grant date | Apr 12, 1983 |
| Priority date | — |
| Expiry date | Apr 12, 1997 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.