Controlled environment chamber for plant propagation, biological testing or the like

Description

FIG. 1 is a front perspective view of the controlled environment chamber for plant propagation, biological testing or the like showing our new design;

FIG. 2 is a right side view thereof, the left side being a mirror image thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and

FIG. 6 is a front perspective view of a second embodiment of the design of FIG. 1, the only difference being the inclusion of a shelf unit.

Referenced Cited
U.S. Patent Documents
D199683 December 1964 Walters
D268444 March 29, 1983 Young
D289355 April 21, 1987 Paulides
D300067 February 28, 1989 Smith et al.
3951079 April 20, 1976 Tolleson
Other references
  • American Nurseryman; 7/1/1974; p. 163; Terra-Sphere Terrarium. Gift & Art Shop; Apr. 1932; p. 62; muffin stand.
Patent History
Patent number: D304913
Type: Grant
Filed: Jan 30, 1987
Date of Patent: Dec 5, 1989
Inventors: Alan C. Cassells (Ghileen, Whitegate, County Cork), Alan D. Rynhart (Delgany, County Wicklow)
Primary Examiner: B. J. Bullock
Law Firm: Scully, Scott, Murphy & Presser
Application Number: 7/8,921
Classifications