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:
Nov. 22, 2011
Filed:
Dec. 19, 2008
Applicants:
Ming Luo, Shenzhen, CN;
Wing-hei Cho, Kwun Tong, CN;
Inventors:
Ming Luo, Shenzhen, CN;
Wing-Hei Cho, Kwun Tong, CN;
Assignee:
BISSELL Homecare, Inc., Grand Rapids, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 50/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vacuum cleaner with a cyclone module assembly comprising a separation chamber for separating dust and debris from air, a dirt collection chamber for collecting dust and debris that is separated from the air in the cyclone separation chamber, wherein the separation chamber further includes an exhaust grill that is removable for cleaning.