Volt-ohm-ammeter

Description

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

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a front elevational view thereof, shown in a condition of use.

Referenced Cited
U.S. Patent Documents
D173613 December 1954 Frye
D242609 December 7, 1976 Melvin
D261627 November 3, 1981 Kuramoto
D264057 April 27, 1982 Kuramoto
D264448 May 18, 1982 Kuramoto
D271948 December 27, 1983 Kuramoto
D312420 November 27, 1990 Kuramoto
D335095 April 27, 1993 Kuramoto
4071824 January 31, 1978 Kernander et al.
5349289 September 20, 1994 Shirai
Other references
  • Extech Instruments; Clamp-on Multimeters; .COPYRGT.1990; pp. 26 & 27.
Patent History
Patent number: D358349
Type: Grant
Filed: Apr 5, 1994
Date of Patent: May 16, 1995
Assignee: Kyoritsu Electrical Instruments Works, Ltd. (Tokyo)
Inventor: Masamichi Kuramoto (Tokyo)
Primary Examiner: Antoine Duval Davis
Law Firm: Oblon, Spivak, McClelland, Maier & Neustadt
Application Number: 0/20,943
Classifications
Current U.S. Class: Clamp-around Type (D10/79)