pH probe

- Hach Company
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Description

FIG. 1 is a perspective view of a pH probe.

FIG. 2 is a front view of the pH probe of FIG. 1.

FIG. 3 is a back view of the pH probe of FIG. 1.

FIG. 4 is a left view of the pH probe of FIG. 1.

FIG. 5 is a right view of the pH probe of FIG. 1.

FIG. 6 is a top view of the pH probe of FIG. 1.

FIG. 7 is a bottom view of the pH probe of FIG. 1; and,

FIG. 8 is a front view of the pH probe of FIG. 1 having a cap.

Features shown in broken lines form no part of the claimed design.

Claims

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

Referenced Cited
U.S. Patent Documents
4994167 February 19, 1991 Shults et al.
5198093 March 30, 1993 Sydlowski et al.
5200706 April 6, 1993 Yada
D351803 October 25, 1994 Foley
D360840 August 1, 1995 Brockway et al.
D453905 February 26, 2002 Cheng
D462024 August 27, 2002 Nardo et al.
D496600 September 28, 2004 Maeno et al.
D602384 October 20, 2009 Samborn et al.
D608670 January 26, 2010 Samborn et al.
D650070 December 6, 2011 Mori
D681487 May 7, 2013 Lee et al.
D707352 June 17, 2014 Liu et al.
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Other references
  • Oakton Waterproof EcoTestr pH2 http://www.4oakton.com/large—images/35423—10.jpg, 1 page (available prior to Nov. 22, 2013).
  • Pen Type pH Meter PHB-3, http://www.weiku.com/products-image/13533098/pen-type-ph-meter-PHB-3.html, 1 page (available prior to Nov. 22, 2013).
Patent History
Patent number: D732411
Type: Grant
Filed: Nov 22, 2013
Date of Patent: Jun 23, 2015
Assignee: Hach Company (Loveland, CO)
Inventors: Luke Waaler (Longmont, CO), Taylor Ray Sundby (Loveland, CO), Jon Bormann (Fort Collins, CO), Faye Marie Bonomo (Fort Collins, CO)
Primary Examiner: Antoine D Davis
Application Number: 29/473,525