US 7,476,267 B2
Filter cartridge for vacuum cleaner
Mason Greene, Auburn, Ala. (US); and Mark Rosenzweig, Chestnut Hill, Mass. (US)
Assigned to Euro-Pro Operating, LLC, West Newton, Mass. (US)
Filed on Jan. 10, 2008, as Appl. No. 11/972,084.
Application 11/972084 is a division of application No. 10/802393, filed on Mar. 17, 2004, granted, now 7,341,611.
Prior Publication US 2008/0104794 A1, May 08, 2008
Int. Cl. B01D 39/00 (2006.01)
U.S. Cl. 55—498  [55/501; 55/521; 55/DIG. 3] 4 Claims
OG exemplary drawing
 
1. A filter cartridge for a vacuum cleaner, comprising:
a cylindrical shell and an inwardly facing flange at the bottom with a central opening;
at least one cross-beam extending along a diameter of the opening of the flange;
a radially pleated filter element positioned in the cylindrical shell; and
a pin at the center of the filter element with a button on the upper end and the lower end extending to the cross-beam.