Electronic door knob
USD981205S1 · kind S1 · design
11Cited by
17References
1Claims
0Family size
Inventor
Key dates
| Filing date | Jan 15, 2021 |
| Grant date | Mar 21, 2023 |
| Priority date | — |
| Expiry date | Mar 21, 2038 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.