- 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
- Amendment and written argument: 2023-02-01
- Decision to grant: 2023-03-20
- Registration: 2023-03-29
- Title of invention: Automatic welding apparatus with base material transfer having curved welding function
[Note] This case was registered after we responded to the notice of preliminary rejection.
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