Pocket colorimeter

- Hach Company
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Description

FIG. 1 is a front perspective view of a colorimeter showing my new design;

FIG. 2 is a top plan view of the colorimeter;

FIG. 3 is a left side elevational view of the colorimeter; the right side elevational view is a mirror image thereof;

FIG. 4 is a bottom view of the colorimeter; and,

FIG. 5 is a front elevational view of the colorimeter; the rear elevational view is a mirror image thereof.

Referenced Cited
U.S. Patent Documents
D318245 July 16, 1991 Sierra et al.
D321488 November 12, 1991 Sierra et al.
4266877 May 12, 1981 Bodart
4349081 September 14, 1982 Ace
4986665 January 22, 1991 Yamanishi et al.
5013155 May 7, 1991 Rybak
5037614 August 6, 1991 Makita et al.
5083868 January 28, 1992 Anderson
Patent History
Patent number: D333992
Type: Grant
Filed: Jan 7, 1991
Date of Patent: Mar 16, 1993
Assignee: Hach Company (Loveland, CO)
Inventor: Mark E. Anderson (Loveland, CO)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Attorney: Dean P. Edmundson
Application Number: 7/637,760
Classifications
Current U.S. Class: Chemical (12) (D10/81)