Wash cartridge

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Description

FIG. 1 is a top plan view of a wash cartridge showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D218152 July 1970 Emerson
D248277 June 27, 1978 Hartman et al.
D267013 November 23, 1982 Hipp, Jr.
D267097 November 30, 1982 Tacklind et al.
D271113 October 25, 1983 Birkeland et al.
D298257 October 25, 1988 Masaki
D310844 September 25, 1990 Ohata
4533225 August 6, 1985 Shiga
4629303 December 16, 1986 Vermarien
4641940 February 10, 1987 Muller et al.
4734728 March 29, 1988 Muller
4806962 February 21, 1989 Uchida et al.
4814809 March 21, 1989 De Prijcker et al.
Patent History
Patent number: D325591
Type: Grant
Filed: Oct 13, 1989
Date of Patent: Apr 21, 1992
Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE)
Inventors: Jon F. Boyer (Earleville, MD), Lee C. Fischer (Rochester, NY), Douglas J. Hohlbein (Central Islip, NY), Anthony P. Montalbano (Bayville, NY), Christopher P. Montalbano (Great Neck, NY), John G. Van Remoortel (Newark, DE), Joel L. Vanover (Elkton, MD)
Primary Examiner: Bernard Ansher
Assistant Examiner: Dominic Simone
Attorney: John E. Griffiths
Application Number: 7/421,419
Classifications
Current U.S. Class: Element Or Accessory (D16/250)