Wireless entrance communication device
USD866380S1 · kind S1 · design
28Cited by
66References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2018 |
| Grant date | Nov 12, 2019 |
| Priority date | — |
| Expiry date | Nov 12, 2034 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.