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. 09, 2003
Filed:
Oct. 13, 2000
Applicant:
Inventors:
Assignee:
Filterwerk Mann & Hummel GmbH, Ludwigsburg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 2/706 ; B01D 2/708 ;
U.S. Cl.
CPC ...
B01D 2/706 ; B01D 2/708 ;
Abstract
A filter cartridge which has an insertable center tube including an upper part ( ) and a lower part ( ) which can be coupled together in the cartridge by a snap fastener ( ). The snap fastener ( ) is configured such that it can be made without undercuts by simple injection molding dies. Therefore the filter cartridge with the center tube according to the invention is very economical.