Lid for the cage of a laboratory animal

Description

FIG. 1 is a perspective view of a lid for the cage of a laboratory animal, showing our new design;

FIG. 2 is a top plan view thereof, drawn to an enlarged scale;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a left side elevational view thereof;

FIG. 8 is a fragmentary cross-sectional view, taken across the line 8--8 of FIG. 2, and drawn to an enlarged scale;

FIG. 9 is a fragmentary cross-sectional view, taken across the lines 9--9 of FIG. 2, and drawn to an enlarged scale; and,

FIG. 10 is a further perspective view thereof.

Referenced Cited
U.S. Patent Documents
3256859 June 1966 Petit, Jr.
3358649 December 1967 Gabriel et al.
3381665 May 1968 Naturale
3572293 March 1971 Schroen
3699925 October 1972 Van Dongen
3951105 April 20, 1976 Mehn
4480587 November 6, 1984 Sedlacek
4940017 July 10, 1990 Niki et al.
5165362 November 24, 1992 Sheaffer et al.
Foreign Patent Documents
771011 November 1977 CAX
Patent History
Patent number: D351259
Type: Grant
Filed: Jun 5, 1992
Date of Patent: Oct 4, 1994
Assignee: Mitesha, Inc. (Baltimore, MD)
Inventors: Michael D. Semenuk (Baltimore, MD), Ida L. Semenuk (Baltimore, MD)
Primary Examiner: Cathy Anne MacCormac
Attorney: Leonard Bloom
Application Number: 7/894,183