Auxiliary obstacle-surmounting ramp for cleaning robot
USD989983S1 · kind S1 · design
1Cited by
15References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2022 |
| Grant date | Jun 20, 2023 |
| Priority date | — |
| Expiry date | Jun 20, 2038 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.