Audio/video doorbell and door viewer
USD889300S1 · kind S1 · design
22Cited by
96References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2018 |
| Grant date | Jul 7, 2020 |
| Priority date | — |
| Expiry date | Jul 7, 2035 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.