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:
Sep. 27, 1983
Filed:
Feb. 08, 1982
Applicant:
Inventor:
Horst Neugart, Wuppertal, DE;
Assignee:
Vorwerk & Co Interholding GmbH, Wuppertal, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55372 ; 55473 ; 55528 ; 15351 ;
Abstract
A dust collector for a vacuum cleaner having a blower has an outer wall with an air-impermeable main portion bounding an inner chamber and a limited air-permeable portion, a filter accommodated in the chamber and connectable with the blower, and an additional filtering member associated with the air-permeable portion of the outer wall. The additional filtering member may be composed of an electrostatically chargeable filtering material and may be formed as a separate member or as a part of the wall of the dust collector.