Combined filter cartridge and lid therefor

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Description

FIG. 1 is a sectional view from the left side of the combined filter cartridge and lid therefor;

FIG. 2 is an enlarged top view of the filter cartridge without the lid, shown separately for clarity of illustration;

FIG. 3 is an enlarged bottom view of the filter cartridge without the lid, shown separately for clarity of illustration;

FIG. 4 is an enlarged bottom view of the lid, shown separately for clarity of illustration;

FIG. 5 is enlarged bottom view of the combined filter cartridge and lid therefor;

FIG. 6 is a front view of the combined filter cartridge and lid therefor;

FIG. 7 is a side view from the left side of the combined filter cartridge and lid, on a reduced scale; ;

FIG. 8 is a side view from the right side of the combined filter cartridge and lid therefor, on a reduced scale;

FIG. 9 is a back view of the combined filter cartridge and lid therefor, on a reduced scale;

FIG. 10 is an enlarged top view of the lid, shown separately for clarity of illustration; and,

FIG. 11 is a perspective view taken from the left side and top of the combined filter cartridge and lid therefor showing my new design;

Referenced Cited
U.S. Patent Documents
4632682 December 30, 1986 Erdmannsdorfer
5207812 May 4, 1993 Tronto et al.
Foreign Patent Documents
2034793 February 1972 DEX
Patent History
Patent number: D380535
Type: Grant
Filed: Sep 10, 1993
Date of Patent: Jul 1, 1997
Inventor: Carsten Joergensen (CH-6010 Kriens)
Primary Examiner: Lisa Lichtenstein
Law Firm: Gripple and Hale
Application Number: 0/12,801
Classifications
Current U.S. Class: Filter (D23/365); Air Treatment (D23/355)
International Classification: 2304;