Metallurgical test specimen

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Description

FIG. 1 is a top view of the metallurgical test specimen embodying our design;

FIG. 2 is an end view thereof as viewed from the left side of FIG. 1;

FIG. 3 is a side view thereof as viewed from the bottom side of FIG. 1;

FIG. 4 is a bottom view thereof;

FIG. 5 is an end view thereof as viewed from the right side of FIG. 4; and

FIG. 6 is a side view thereof as viewed from the lower side of FIG. 4.

Referenced Cited
U.S. Patent Documents
D108575 February 1938 Lindenberger
3656350 April 1972 Collins
Patent History
Patent number: D248235
Type: Grant
Filed: May 21, 1976
Date of Patent: Jun 20, 1978
Inventors: Richard E. Haughtington (Michigan City, IN), Donald R. Wray (Merrillville, IN)
Primary Examiner: Alan P. Douglas
Attorney: Walter Leuca
Application Number: 5/688,747
Classifications
Current U.S. Class: Heat Treatment, Welding Or Brazing (D15/144)
International Classification: D1509;