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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
Images(6)
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Claims(1)
  1. The ornamental design for a pH meter, as shown.
Description

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
Reference
1Transcat, pH/mV/Temperature Meter, 1986, p. 370.
Classifications
U.S. ClassificationD10/81