Volt-ohm-ammeter or the like

Description

FIG. 1 is a top, front, and right side perspective view of a volt-ohm-ammeter or the like showing my new design;

FIG. 2 is a right side elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view;

FIG. 5 is a left side elevational view;

FIG. 6 is a front elevational view; and

FIG. 7 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D213878 April 1969 Shimasaki
D242609 December 7, 1976 Melvin
D251060 February 13, 1979 Kuramoto
D261627 November 3, 1981 Kuramoto
D264057 April 27, 1982 Kuramoto
D264448 May 18, 1982 Kuramoto
D271948 December 27, 1983 Kuramoto
4283677 August 11, 1981 Niwa
4825154 April 25, 1989 Cross et al.
Other references
  • Hioki, 3107 Clamp on Leak Hi Tester, 11/1983, p. 8. Ex Tech, Husky DMM Clamp Meter, 1986, p. 16.
Patent History
Patent number: D312420
Type: Grant
Filed: Sep 25, 1987
Date of Patent: Nov 27, 1990
Assignee: Kyoritsu Electrical Instruments Works, Ltd. (Tokyo)
Inventor: Masamichi Kuramoto (Tokyo)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Law Firm: Oblon, Spivak, McClelland, Maier & Neustadt
Application Number: 7/101,163
Classifications
Current U.S. Class: Clamp-around Type (D10/79)