- Filing date: 2021-04-19
- Request for accelerated examination: 2020-05-18
- Notice of preliminary rejection: 2021-07-22
- Amendment and written argument filed: 2021-07-29
- Decision to grant: 2021-09-29
- Registration: 2021-10-07
- Title of invention: Bubble supply device
[Note] The registration was obtained in about 5 months through accelerated examination, requested on the basis of a prior art search commissioned from a KIPO-designated search firm.
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