- Patent application: 2021-11-19
- Request for prior art search: 2022-11-15
- Prior art search report: 2022-12-08
- Notice of preliminary rejection: 2023-01-25
- Written argument and amendment: 2023-02-01
- Decision to grant: 2023-03-20
- Registration: 2023-03-29
- Title of invention: Base-material-transfer automatic welding device with curved welding function
[Note] This case proceeded under regular examination and was registered in about 1 year and 4 months.
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