Electronic currency tester

Description

FIG. 1 is a front elevational view of an electronic currency tester showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D224596 August 1972 Winfrey
D251548 April 10, 1979 Perry
D254778 April 22, 1980 Kitada
D257765 January 6, 1981 Schachter
D264444 May 18, 1982 Muchenberger
D283405 April 15, 1986 Yuen
3976199 August 24, 1976 Schachter
4187463 February 5, 1980 Kivenson
4219774 August 26, 1980 Rogel
4349111 September 14, 1982 Shah
Patent History
Patent number: D290817
Type: Grant
Filed: Nov 6, 1984
Date of Patent: Jul 14, 1987
Assignee: John Manufacturing Limited (Kowloon)
Inventor: John S. Yuen (Kowloon)
Primary Examiner: Nelson C. Holtje
Law Firm: Fay, Sharpe, Beall, Fagan, Minnich & McKee
Application Number: 6/668,862