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:
Mar. 31, 2009
Filed:
Oct. 30, 2007
Applicants:
Jae Hong Lee, Incheon, KR;
Hyuk Joo Kwon, Gangneung-si, KR;
Seog Yong Kim, Changwon-si, KR;
Sang Jun Park, Gimhae-si, KR;
Inventors:
Jae Hong Lee, Incheon, KR;
Hyuk Joo Kwon, Gangneung-si, KR;
Seog Yong Kim, Changwon-si, KR;
Sang Jun Park, Gimhae-si, KR;
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 45/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is provided a vacuum cleaner. The vacuum cleaner includes a dust storing part; a compression passage connecting a motor generating a negative pressure to the dust storing part; a flow passage control unit that controls opening and closing of the compression passage; and a compression unit compressing dust stored in the dust storing part when the compression passage is opened.