Portable circuit tester

Description

FIG. 1 is a front and top-right perspective view of a portable circuit tester showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof.

The lead wires in FIGS. 2-4 and 6 have been omitted for ease of illustration.

Referenced Cited
U.S. Patent Documents
D236594 September 1975 Smith
D244762 June 21, 1977 Wasmer
D257014 September 23, 1980 Cressman
D260085 August 4, 1981 Mitchell
D263033 February 16, 1982 Calhoun
D271136 October 25, 1983 Bollinger
2547248 April 1951 Bartholomew
3806797 April 1974 Harvey
4027236 May 31, 1977 Stewart
4259635 March 31, 1981 Triplett
Other references
  • Robert's Fish Alarm, Net Price Sheet, 1/1/81, photo at top right.
Patent History
Patent number: D278984
Type: Grant
Filed: Jul 16, 1982
Date of Patent: May 28, 1985
Inventor: Joseph M. Roberts, Sr. (Alameda, CA)
Primary Examiner: Nelson C. Holtje
Law Firm: Flehr, Hohbach, Test, Albritton & Herbert
Application Number: 6/398,819
Classifications