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:
Jun. 13, 2023
Filed:
Mar. 11, 2020
Lg Electronics Inc., Seoul, KR;
Chungang University Industry Academic Cooperation Foundation, Seoul, KR;
Jiyoung Kang, Seoul, KR;
Haeyoong Chung, Seoul, KR;
Jongkeon Jeon, Seoul, KR;
David Kangseong Lee, Seoul, KR;
Daeyoung Kwak, Seoul, KR;
Sohee Park, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
CHUNGANG UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION, Seoul, KR;
Abstract
An air purifier includes a first case and a second case that are insertably coupled such that the second case slides up and down with respect to the first case. The first case may suction air through a suction space provided at a bottom and a plurality of holes formed in a side wall. The second case may include a discharge grill provided at a top end through which air is discharged and a plurality of holes formed in a side wall through which air is suctioned when the second case is moved down to a first position and through which air is discharged when the second case is moved up to a second position. The top discharge grill may be opened and closed. The second case may also include a side discharge portion formed in the side wall above the plurality of holes. The side discharge portion may be opened and closed.