pH meter

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Description

FIG. 1 is a perspective view thereof;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom thereof; and,

FIG. 6 is a right view thereof, the left side view being a mirror image thereof.

Claims

The ornamental design for a pH meter, as shown and described.

Referenced Cited
U.S. Patent Documents
D351803 October 25, 1994 Foley
D360840 August 1, 1995 Brockway et al.
Patent History
Patent number: D453905
Type: Grant
Filed: Mar 5, 2001
Date of Patent: Feb 26, 2002
Inventor: Tony Chen Heng Cheng (Taichung City)
Primary Examiner: Antoine Duval Davis
Attorney, Agent or Law Firms: Michael A Mann, Nexsen Pruet Jacobs & Pollard LLC
Application Number: 29/138,043
Classifications
Current U.S. Class: Chemical (12) (D10/81)
International Classification: 1004;