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Publication numberUSD312421 S
Publication typeGrant
Application numberUS 07/093,391
Publication dateNov 27, 1990
Filing dateSep 4, 1987
Publication number07093391, 093391, US D312421 S, US D312421S, US-S-D312421, USD312421 S, USD312421S
InventorsJerry B. Trottmann
Original AssigneeHach Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
pH meter
US D312421 S
Abstract  available in
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  1. The ornamental design for a pH meter, as shown.

FIG. 1 is a top, front and right side perspective view of a pH meter showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a left side perspective view;

FIG. 4 is a bottom plan view;

FIG. 5 is a right side perspective view;

FIG. 6 is a front elevational view; and

FIG. 7 is a rear elevational view thereof.

Non-Patent Citations
1Transcat, pH/mV/Temperature Meter, 1986, p. 370.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
USD611372Mar 9, 2010Lifescan Scotland LimitedAnalyte test meter
USD611489Mar 9, 2010Lifescan, Inc.User interface display for a glucose meter
USD611853Mar 16, 2010Lifescan Scotland LimitedAnalyte test meter
USD612275Mar 23, 2010Lifescan Scotland, Ltd.Analyte test meter
USD615431Mar 21, 2008May 11, 2010Lifescan Scotland LimitedAnalyte test meter
U.S. ClassificationD10/81