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:
Aug. 20, 2002
Filed:
Apr. 19, 2000
Applicant:
Inventors:
Rudy A. Vandenbelt, Ottawa, CA;
Bjarki Hallgrinsson, Ottawa, CA;
Assignee:
Headwaters Research & Development, Inc, Ottawa, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/12 ; A47L 9/18 ;
U.S. Cl.
CPC ...
A47L 9/12 ; A47L 9/18 ;
Abstract
A dual filter wet/dry hand-held vacuum cleaner includes a two-stage filtration system effective to provide liquid and/or dry pick-up while minimizing the frequency with which it needs cleaned out that, at cleanup time, may be cleaned efficiently with little or no dust generation and minimal or no direct contact with accumulated grime.