Combined cartridge filter and tube frame structure

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Description

FIG. 1 is a front elevational view of a combined cartridge filter and tube frame structure according to the present invention;

FIG. 2 is a side elevation view thereof, the opposite side being a mirror image of that shown;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

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Patent History
Patent number: D435640
Type: Grant
Filed: Aug 26, 1999
Date of Patent: Dec 26, 2000
Assignee: BHA Group Holdings, Inc. (Kansas City, MO)
Inventor: Reinout G. Oussoren (Wiedlisbach)
Primary Examiner: Lisa Lichtenstein
Law Firm: Shook, Hardy & Bacon L.L.P.
Application Number: 0/109,947
Classifications
Current U.S. Class: Filter (D23/365)
International Classification: 2304;