Electrical measuring instrument

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Description

FIG. 1 is a front elevational view of an electrical measuring instrument showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top, rear, left side perspective view thereof;

FIG. 4 is a right side elevational view thereof; and

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D247353 February 28, 1978 Kuramoto
D261627 November 3, 1981 Kuramoto
2326909 August 1943 Wolferz et al.
3465250 September 1969 Schilling
Other references
  • Industrial Equipment News, 11/78, p. S-9, Clamp-On Multimeter, middle col., 2nd row. Industrial Equipment News, 11/78, p. 102, Sound Level Meter, first col., top row.
Patent History
Patent number: D285663
Type: Grant
Filed: Mar 16, 1983
Date of Patent: Sep 16, 1986
Assignee: Thorn EMI Instruments Limited (Dover)
Inventors: Peter G. Nichols (Dover), David C. Tedd (Folkestone), Terence M. Friend (Nr. Dover), Christopher L. Steggall (London)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Terry Pfeffer
Law Firm: Fleit, Jacobson, Cohn & Price
Application Number: 6/475,936
Classifications
Current U.S. Class: Clamp-around Type (D10/79)