Self cleaning cat litter box

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Description

FIG. 1 is a perspective view taken from the top, front and left side of a self cleaning cat litter box showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof; and

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D233771 November 1974 Dirck
D241755 October 1976 Lowe, Jr.
3747563 July 1973 Brockhouse
4050414 September 27, 1977 Knochel et al.
4098229 July 4, 1978 Haynes et al.
4119555 October 10, 1978 Dennis
4242763 January 6, 1981 Walker
4465018 August 14, 1984 Mopper
4493288 January 15, 1985 Van der Kolk
4502413 March 5, 1985 Ponee et al.
Patent History
Patent number: D289574
Type: Grant
Filed: Jan 24, 1985
Date of Patent: Apr 28, 1987
Inventor: James A. Stinner (Kansas City, MO)
Primary Examiner: James R. Largen
Attorney: Don E. Ferrell
Application Number: 6/694,270
Classifications
Current U.S. Class: D30/99