Water filter cartridge

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Description

FIG. 1 is a perspective view of a water filter cartridge showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D256944 September 16, 1980 Fox, Jr.
D296925 July 26, 1988 Groezinger et al.
D328333 July 28, 1992 Casberg
2568181 September 1951 Zimmerman et al.
2955712 October 1960 Gutkowski
Patent History
Patent number: D377515
Type: Grant
Filed: May 13, 1994
Date of Patent: Jan 21, 1997
Assignee: Recovery Engineering, Inc. (Minneapolis, MN)
Inventors: Richard D. Hembree (Edina, MN), James L. Lund (Lake Elmo, MN)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Monica A. Hannon
Law Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt
Application Number: 0/22,864
Classifications
Current U.S. Class: Filter Or Strainer (2) (D23/209); Treatment (D23/207)