Portable water quality tester

Description

FIG. 1 is a perspective view of a portable water quality tester showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof, the right side being a mirror image thereto;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D181743 December 1957 Molloy
D222138 October 1971 Palmer
D246956 January 17, 1978 Perry
D249480 September 19, 1978 Jungman
D251548 April 10, 1979 Perry
D260618 September 8, 1981 Koslar
D261871 November 17, 1981 Akers
D276796 December 18, 1984 Allender
D282915 March 11, 1986 Hartshorn
3829776 August 1974 Lozoya
4259635 March 31, 1981 Triplett
Patent History
Patent number: D290820
Type: Grant
Filed: Aug 20, 1984
Date of Patent: Jul 14, 1987
Assignee: Pro Water Systems, Inc. (Costa Mesa, CA)
Inventor: Jack P. Slovak (Huntington Beach, CA)
Primary Examiner: Nelson C. Holtje
Attorney: Leonard Tachner
Application Number: 6/642,379