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US 2024/0188656 A1Published application
Mask filter including coupling portions
AssigneeKoreatech Co., Ltd.
InventorDong Yol LEE
Life of this patent
Estimating the term…
Abstract
A mask filter including coupling portions is disclosed. More particularly, a mask filter including detachable coupling portions added to a portion of the mask filter is disclosed.
Claims6
1-2. (canceled)
A mask filter comprising a filter main body disposed in front of a face of a user, a central portion of the filter main body being folded, wherein
- the filter main body comprises a left main body and a right main symmetrical with each other and a joining portion, at which corresponding ends of the left main body and the right main body are coupled to each other by fusion after overlapping each other, and
- third coupling portions configured to have an additionally detachable coupling structure are added to at least one of an upper part and a lower part of the filter main body, among peripheries of the joining portion.
(canceled)
Dependencies are inferred from the claim text.