Device for the instant testing of water quality

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Description

FIG. 1 is a side elevational view of a device for the instant testing of water quality showing my new design, the opposite side elevational view being a mirror image thereof.

FIG. 2 is a right side elevational view of FIG. 1.

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

FIG. 4 is a top plan view of FIG. 2.

FIG. 5 is a bottom plan view of FIG. 2.

Referenced Cited
U.S. Patent Documents
D185543 June 1959 Frank et al.
D247821 May 2, 1978 Biersch et al.
D252170 June 19, 1979 Simmons
D252617 August 14, 1979 McCloskey
D256567 August 26, 1980 Voss et al.
D261871 November 17, 1981 Akers, Jr.
2680834 June 1954 Burns et al.
3302102 January 1967 Lace
Patent History
Patent number: D282915
Type: Grant
Filed: Aug 8, 1983
Date of Patent: Mar 11, 1986
Inventor: Trigger J. Hartshorn (Corona, CA)
Primary Examiner: Catherine E. Kemper
Attorney: John H. Crowe
Application Number: 6/521,133