The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 04, 2025
Filed:
Apr. 15, 2021
Lg Electronics Inc., Seoul, KR;
Taejun Kim, Seoul, KR;
Jeongtaek Park, Seoul, KR;
Hojung Kim, Seoul, KR;
Seokho Choi, Seoul, KR;
Keonwang Lee, Seoul, KR;
Chiyoung Choi, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A mask apparatus includes a mask body, a seal disposed at a rear surface of the mask body, a fan module disposed at a front surface of the mask body, and a mask body cover that covers the fan module and is coupled to the front surface of the mask body. The mask body includes an air duct configured to guide external air from the fan module to a breathing space inside the seal, and an air exhaust hole configured to discharge air exhaled into the breathing space to an outside of the mask body. An area of a duct outlet of the air duct is greater than an area of a duct inlet of the air duct.