Electrical test instrument

Description

FIG. 1 is a front, bottom and left-side perspective view of an electrical test instrument showing our new design;

FIG. 2 is a top plan view;

FIG. 3 is a rear elevational view; and

FIG. 4 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D195558 July 1963 Simons
D223196 March 1972 Andreaggi et al.
D240409 July 1976 Roberts
D256896 September 16, 1980 Kuramoto
D280299 August 27, 1985 Nelson
Other references
  • Xerox Disclosure Journal, May/Jun. '78, p. 175. Industrial Equipment News, Jun. '80, p. 44, Metric Meter. Fluke, 1983, cover page, class D10/78, 8025A, Multimeter. Anasco, Spring 1988, pp. 4-7.
Patent History
Patent number: D308832
Type: Grant
Filed: Apr 6, 1987
Date of Patent: Jun 26, 1990
Assignee: Beckman Industrial Corporation (Brea, CA)
Inventors: Richard A. Shields, Jr. (Huntington Beach, CA), John D. Rust (Huntington Beach, CA)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoinc D. Davis
Law Firm: Polster, Polster and Lucchesi
Application Number: 7/34,578
Classifications