Electrical testing instrument

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Description

FIG. 1 is a front elevational view of the electrical testing instrument showing my new design, the cord broken away indicating indeterminate length;

FIG. 2 is a top plan view of the upper portion of the instrument of FIG. 1, the lower symmetrical portion being omitted for ease of illustration and the bottom plan being a mirror image thereof; and

FIG. 3 is a left end elevational view thereof.

Referenced Cited
U.S. Patent Documents
D212124 August 1968 Feldman
D246956 January 17, 1978 Perry
2575279 November 1951 Linton
2632785 March 1953 Knopp
3265969 August 1966 Catu
3934195 January 20, 1976 Shires
4041380 August 9, 1977 Epstein
Other references
  • Wahl (Flyer) Probe at bottom of front cover. Radio Amateurs Journal, 8/47, p. 7, Ohmeter.
Patent History
Patent number: D260619
Type: Grant
Filed: May 8, 1979
Date of Patent: Sep 8, 1981
Inventor: Manfred Koslar (4840 Rheda-Wiedenbruck)
Primary Examiner: Nelson C. Holtje
Attorney: John C. Smith, Jr.
Application Number: 6/37,193
Classifications
Current U.S. Class: Provided With Handle, Or Hand-held (D10/78); Element Or Attachment (4) (D10/103)
International Classification: D1004;