Portable front projection screen
USD596657S1 · kind S1 · design
8Cited by
23References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2007 |
| Grant date | Jul 21, 2009 |
| Priority date | — |
| Expiry date | Jul 21, 2023 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.