Electronic test sensor unit

Description

FIG. 1 is a top plan view of an electronic test sensor unit showing our new design;

FIG. 2 is a left side elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a top, front, and left side perspective view; and

FIG. 5 is a bottom plan view thereof.

The rear elevational view being flat, plain, and unornamented.

Referenced Cited
U.S. Patent Documents
D288337 February 17, 1987 Sloan
3478441 November 1969 Zadig
4210802 July 1, 1980 Sakai
Patent History
Patent number: D317463
Type: Grant
Filed: Jun 22, 1988
Date of Patent: Jun 11, 1991
Assignee: Price Stern Sloan Inc. (Los Angeles, CA)
Inventors: Martin P. Riddiford (London), Stephen O. Frazer (London), Seamus A. Sharkey (London)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antonie D. Davis
Law Firm: Darby & Darby
Application Number: 7/210,021
Classifications
Current U.S. Class: Teaching Material (D19/59)