Material hardness tester or similar article

Information

  • Patent Grant
  • D283599
  • Patent Number
    D283,599
  • Date Filed
    Monday, August 29, 1983
    41 years ago
  • Date Issued
    Tuesday, April 29, 1986
    38 years ago
Abstract
Description
Claims
  • The ornamental design for a material hardness tester or similar article, as shown.
US Referenced Citations (9)
Number Name Date Kind
D178060 Karol Jun 1956
D223174 Pettavel Mar 1972
1646195 German Oct 1927
2319208 Clark May 1943
2418916 Weaver Apr 1947
2535830 Beck Dec 1950
2804769 Clark, Sr. Sep 1957
3102417 Chambers Sep 1963
3478568 Borgersen Nov 1969