Pool water tester
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Description
FIG. 1 is a right front exploded perspective view of a pool water tester showing our new design with the cover raised;
FIG. 2 is a rear elevational view of FIG. 1 with the cover in a closed position;
FIG. 3 is a right side elevational view of FIG. 2;
FIG. 4 is a bottom plan view of FIG. 2;
FIG. 5 is a right front perspective view of FIG. 1 with the cover in the closed position.
Referenced Cited
U.S. Patent Documents
D185543 | June 1959 | Frank |
D186271 | October 1959 | Marks |
D197404 | January 1964 | Frank |
D216258 | December 1969 | Connolly |
D232038 | July 1974 | Hach |
D247821 | May 2, 1978 | Biersch |
3176577 | April 1965 | Frank |
3381572 | May 1968 | Tuwiner |
Patent History
Patent number: D256567
Type: Grant
Filed: Nov 17, 1977
Date of Patent: Aug 26, 1980
Assignee: Tintometer GmbH (Dortmund)
Inventors: Cay-Peter Voss (Hagen-Berchum), Manfred Nowak (Lunen)
Primary Examiner: Nelson C. Holtje
Attorney: Emory L. Groff, Jr.
Application Number: 5/852,604
Type: Grant
Filed: Nov 17, 1977
Date of Patent: Aug 26, 1980
Assignee: Tintometer GmbH (Dortmund)
Inventors: Cay-Peter Voss (Hagen-Berchum), Manfred Nowak (Lunen)
Primary Examiner: Nelson C. Holtje
Attorney: Emory L. Groff, Jr.
Application Number: 5/852,604
Classifications