Analytic colormetric instrument

- Exocell, Inc.
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Description

FIG. 1 is a top plan view of an analytic colormetric instrument showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a bottom plan view;

FIG. 5 is a right side elevational view;

FIG. 6 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D185543 June 1959 Frank
D186271 October 1959 Marks
D250834 January 16, 1979 Ruppart
D256567 August 26, 1980 Voss et al.
1675967 July 1928 Zitkowski
3381572 May 1968 Tuwiner
3488156 January 1970 Good et al.
3591805 July 1971 Schoeffel
4956302 September 11, 1990 Gordon et al.
Patent History
Patent number: D316826
Type: Grant
Filed: Sep 16, 1988
Date of Patent: May 14, 1991
Assignee: Exocell, Inc. (Philadelphia, PA)
Inventor: Robert G. Neuman (Philadelphia, PA)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antonie Davis
Law Firm: Banner, Birch, McKie & Beckett
Application Number: 7/245,259
Classifications
Current U.S. Class: Chemical (12) (D10/81)