Environmental chamber for controlled plant growth

Description

FIG. 1 is a front perspective view of an environmental chamber for controlled plant growth showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front perspective view thereof, with the door in the open position;

FIG. 8 is a front perspective view of a second embodiment of the design of FIG. 1, with the door in the open position, the only difference being the inclusion of additional light fixtures inside the chamber.

The broken line showing of the shelves in FIGS. 7 and 8 is for illustrative purposes only.

Referenced Cited
U.S. Patent Documents
D199683 December 1964 Walters
D204131 March 1966 Williams
D291979 September 22, 1987 Klemm
2051461 August 1936 Lee
2928211 March 1960 Martin
3028208 April 1962 Sharpe
4250666 February 17, 1981 Bakestraw
4543744 October 1, 1985 Royster
Other references
  • Plant Growth Chambers and Biological Incubators by Revco; sales flyer, 1985. VWR Brand Low Temperature B.O.D. Incubator Cat.; Model 2015; 1985. NAECO, Scientific Co. flyer; Diurnal Incubator Model 3810; published 1984 or '85. Lab-Line Instruments, Inc. flyer; Diurnal Growth Chamber, Model 3740; 1984. Forma Scientific Cat.; Diurnal Growth Chamber, Model 3740; 1984. Lab-Line Instruments, Inc. flyer; Plant Growth Incubators, Biotronette Mark II; 1977. GCA Corp. Cat.; Lighted, Low Temperature Incubators; Model 816 and 818; 1985.
Patent History
Patent number: D309122
Type: Grant
Filed: Dec 21, 1987
Date of Patent: Jul 10, 1990
Assignee: Hotpack Corporation (Philadelphia, PA)
Inventor: Harry P. Biemolt (Ambler, PA)
Primary Examiner: B. J. Bullock
Law Firm: Welsh & Katz
Application Number: 7/135,634
Classifications