United States
US 12,702,873 B2
Mask apparatus
US 12,702,873 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-11. Applicant: LG Electronics Inc. Its PDF downloads from this page without an account, up to 5 a day.
- Applicant
- LG Electronics Inc.
- Inventors
- Hojung KIM; Yeongcheol MUN; Yongmin KIM; Chiyoung CHOI; Sejin CHOI
- Publication date
- 2026-08-11
- Filing date
- 2022-07-19
- Document type
- B2 Granted patent
- Also written as
- US 12,702,873 B2 · US12702873 · 12702873
Abstract
A mask apparatus includes a mask body that defines a suction hole and a discharge hole, a face guard detachably coupled to a rear surface of the mask body by magnetic force, and an air cleaning module configured to filter external air and supply the filtered air to a breathing space. The face guard includes magnetic bodies disposed at a front surface of the face guard.…
The opening of the abstract. The full text is in the PDF.
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Patent office website: United States Patent and Trademark Office (USPTO)
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