Title:
Metal hardness test block with targets spaced from alphanumeric grid lines
United States Patent D797588
Inventors:
Knight, William O. (Malvern, PA, US)
Application Number:
29/549371
Publication Date:
09/19/2017
Filing Date:
12/22/2015
Assignee:
Knight William O.
Primary Class:
Other Classes:
D10/103
International Classes:
(IPC1-7): 1004
Field of Search:
D10/81, D10/83, D10/103
View Patent Images:
US Patent References:
D722900Metal hardness tester block having an alphanumeric platted gridFebruary, 2015BiddleD10/103
D689388Dual force plateSeptember, 2013BermeD10/83
D689389Dual force plateSeptember, 2013BermeD10/83
20110136239CORROSION TESTING APPARATUS AND METHODSJune, 2011Hehn436/6
D611855Pressure sensorMarch, 2010MinagawaD10/85
20080072656Displacement instrumentMarch, 2008Conner73/32R
5505094Test block for handcuff key and method of using sameApril, 1996Parsons73/788
D304427Hardness testing blockNovember, 1989BiddleD10/83
Primary Examiner:
Davis, Antoine D.
Attorney, Agent or Firm:
CHARLES N. QUINN (FOX ROTHSCHILD LLP 997 Lenox Drive, Bldg. #3 Lawrenceville NJ 08648)
Claims:
CLAIM

1. I claim the ornamental design for a metal hardness test block with targets spaced from alphanumeric grid lines, as shown in the accompanying drawings.

Description:

FIG. 1 is an isometric view showing the top, right side, and front of the metal hardness test block having targets spaced from alphanumeric grid lines.

FIG. 2 is a top plan view of the metal hardness test block having targets spaced from alphanumeric grid lines.

FIG. 3 is a bottom view of the metal hardness test block having targets spaced from alphanumeric grid lines.

FIG. 4 is a left end view of the metal hardness test block having targets spaced from alphanumeric grid lines.

FIG. 5 is a right end view of the metal hardness test block having targets spaced from alphanumeric grid lines.

FIG. 6 is a front view of the metal hardness test block having targets spaced from alphanumeric grid lines; and,

FIG. 7 is a rear view of the metal hardness test block having targets spaced from alphanumeric grid lines.