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