The broken lines in the drawings illustrate portions of the caster that form no part of the claimed design.
The broken lines in the drawings illustrate portions of the caster that form no part of the claimed design.
| Number | Date | Country | Kind |
|---|---|---|---|
| 202130159277.X | Mar 2021 | CN | national |
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| Number | Date | Country |
|---|---|---|
| 0085664750001 | Jun 2021 | EM |
| 3011843690000 | Apr 2021 | KR |