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:
Apr. 22, 2014
Filed:
Nov. 22, 2011
Applicants:
Kietak Hyun, Seoul, KR;
Geunbae Hwang, Seoul, KR;
Jaedal Lee, Seoul, KR;
Inventors:
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vacuum cleaner is disclosed. The vacuum cleaner includes a body having a vacuum motor provided therein; a dust collection device provided in the body to collect dust; a dust compression device expandable or contractible selectively; a passage switching device configured to selectively communicate the dust compression device with a low pressure part having a lower pressure than a pressure of the dust collection device and a high pressure part having a higher pressure than a pressure of the dust collection device.