Video entry-phone control board
USD535268S1 · kind S1 · design
41Cited by
9References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 29, 2005 |
| Grant date | Jan 16, 2007 |
| Priority date | — |
| Expiry date | Jan 16, 2021 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.