Volt-ohm-ammeter
Latest Kyoritsu Electrical Instruments Works, Ltd. Patents:
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
Other references
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 |
- 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
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)