Microbial test machine for sequentially timed heating, cooling and incubation of test samples

- Charm Sciences, Inc.
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Description

FIG. 1 is a perspective view of a microbial test machine for sequentially timed heating, cooling and incubation of test samples showing our new design;

FIG. 2 is a top plan view of FIG. 1;

FIG. 3 is a side elevational view of FIG. 1;

FIG. 4 is the other side elevational view of FIG. 1;

FIG. 5 is a front elevational view of FIG. 1;

FIG. 6 is a bottom plan view of FIG. 1;

FIG. 7 is a back elevational view of FIG. 1; and,

FIG. 8 is a perspective view of FIG. 1 shown in the tilted test sample cooling incubation position.

Referenced Cited
U.S. Patent Documents
D323895 February 11, 1992 Protzmann
2805554 September 1957 Schaclttsiek
4250264 February 10, 1981 Nelson et al.
4346754 August 31, 1982 Imig et al.
4408469 October 11, 1983 Forth
4509587 April 9, 1985 Clark et al.
4778969 October 18, 1988 Le Viet
4807442 February 28, 1989 Linner et al.
5137698 August 11, 1992 Ansorge et al.
Patent History
Patent number: D342792
Type: Grant
Filed: Jan 29, 1991
Date of Patent: Dec 28, 1993
Assignee: Charm Sciences, Inc. (Malden, MA)
Inventors: Stanley E. Charm (Boston, MA), Steven Landau (Brookline, MA), Kenneth T. Sabin (Hanover, MA), Eliezer Zomer (Newton, MA)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: I. Simmons
Attorney: Richard P. Crowley
Application Number: 7/647,670