Electronic door opening and closing system
USD741270S1 · kind S1 · design
4Cited by
18References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 8, 2013 |
| Grant date | Oct 20, 2015 |
| Priority date | — |
| Expiry date | Oct 20, 2029 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.