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Publication numberUSD309867 S
Publication typeGrant
Application numberUS 07/097,466
Publication date14 Aug 1990
Filing date16 Sep 1987
Publication number07097466, 097466, US D309867 S, US D309867S, US-S-D309867, USD309867 S, USD309867S
InventorsRonald C. Johnson
Original AssigneeBeckman Instruments, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
PH meter
US D309867 S
Abstract  available in
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  1. The ornamental design for a pH meter, as shown.

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

FIG. 2 is a bottom plan, rear, and right side perspective view; and

FIG. 3 is a top plan, front, and left side perspective view of another embodiment of FIGS. 1 and 2 thereof.

Non-Patent Citations
1Transeat, pH/mV/Temperature Meter, 1986, p. 373, found in (A.U. 293) Ex. Davis Library.
U.S. ClassificationD10/81