Image projection apparatus
USD487903S1 · kind S1 · design
13Cited by
6References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2001 |
| Grant date | Mar 30, 2004 |
| Priority date | — |
| Expiry date | Mar 30, 2018 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.