Metal hardness test block with alphanumeric grid and circular targets with cross hairs

- King Tester Corporation
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Description

FIG. 1 is an isometric view showing the top, right side, and front of the metal hardness test block with alphanumeric grid and circular targets with cross hairs.

FIG. 2 is a top plan view of the metal hardness test block with alphanumeric grid and circular targets with cross hairs.

FIG. 3 is a bottom view of the metal hardness test block with alphanumeric grid and circular targets with cross hairs.

FIG. 4 is a left end view of the metal hardness test block with alphanumeric grid and circular targets with cross hairs.

FIG. 5 is a right end view of the metal hardness test block with alphanumeric grid and circular targets with cross hairs.

FIG. 6 is a front view of metal hardness test block with alphanumeric grid and circular targets with cross hairs; and,

FIG. 7 is a rear view of the metal hardness test block with alphanumeric grid and circular targets with cross hairs.

Claims

I claim the ornamental design for a metal hardness test block with alphanumeric grid and circular targets with cross hairs, as shown in the accompanying drawings.

Referenced Cited
U.S. Patent Documents
D304427 November 7, 1989 Biddle
5505094 April 9, 1996 Parsons
D611855 March 16, 2010 Minagawa
D689388 September 10, 2013 Berme
D689389 September 10, 2013 Berme
D722900 February 24, 2015 Biddle
20080072656 March 27, 2008 Conner
20110136239 June 9, 2011 Hehn
Patent History
Patent number: D789816
Type: Grant
Filed: Dec 22, 2015
Date of Patent: Jun 20, 2017
Assignee: King Tester Corporation (Phoenixville, PA)
Inventor: William O. Knight (Malvern, PA)
Primary Examiner: Antoine D Davis
Application Number: 29/549,373