Transparency projector
USD247242S · kind S · design
0Cited by
4References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 11, 1976 |
| Grant date | Feb 14, 1978 |
| Priority date | — |
| Expiry date | Feb 14, 1992 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.