Material hardness tester or similar article

- King Tester Corporation
Description

FIG. 1 is a right side elevational view of a material hardness tester or similar article showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D178060 June 1956 Karol
D223174 March 1972 Pettavel
1646195 October 1927 German
2319208 May 1943 Clark
2418916 April 1947 Weaver
2535830 December 1950 Beck
2804769 September 1957 Clark, Sr.
3102417 September 1963 Chambers
3478568 November 1969 Borgersen
Patent History
Patent number: D283599
Type: Grant
Filed: Aug 29, 1983
Date of Patent: Apr 29, 1986
Assignee: King Tester Corporation (King of Prussia, PA)
Inventors: Ernest L. Biddle, Jr. (Rosemont, PA), Henry W. Wessells, III (Paoli, PA)
Primary Examiner: Carmen H. Vales
Attorney: Austin R. Miller
Application Number: 6/527,104