- Patent application: 2021-06-21
- Request for prior art search: 2022-06-15
- Prior art search report: 2022-09-14
- Notice of preliminary rejection: 2023-01-04
- Amendment and written argument: 2023-02-03
- Final rejection: 2023-04-25
- Amendment and written argument for reexamination: 2023-07-06
- Decision to grant: 2023-08-30
- Registration: 2023-09-05
- Title of invention: Compressed-air jetting device for bag filters and dust collector including the same
[Note] This case proceeded under regular examination and was registered in about 2 years and 3 months.
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