Automatic food dispenser for aquariums or the like

Description

FIG. 1 is a front elevational view of an automatic food dispenser for aquariums or the like showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof; and

FIG. 6 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D143106 December 1945 Abramson
D235008 April 1975 Ishikawa
D287170 December 9, 1986 Goldman et al.
2725852 December 1955 Cramer
2772659 December 1956 Tennis
2785831 March 1957 Smolin
2793791 May 1957 Clark
2847066 August 1958 Kleiber et al.
2968280 January 1961 Gutstein
2978148 April 1961 Schwartz
3050029 August 1962 Appleton
3578209 May 1971 Fraser
4157770 June 12, 1979 Roos
4175679 November 27, 1979 Ponce et al.
Foreign Patent Documents
3500104 July 1986 DEX
Patent History
Patent number: D313093
Type: Grant
Filed: Aug 3, 1989
Date of Patent: Dec 18, 1990
Assignee: Seikosha Co., Ltd.
Inventor: Mamoru Tanaka (Tokyo)
Primary Examiner: James R. Largen
Attorneys: Bruce L. Adams, Van C. Wilks
Application Number: 7/389,104
Classifications