Coin operated door lock for vending machine

Description

FIG. 1 is a perspective view of a coin operated door lock for vending machine showing my new design, the broken lines indicating a vending machine are shown for illustrative purposes only;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D127005 May 1941 Melchert
D189061 October 1960 Terry
D280742 September 24, 1985 Johnson
3174608 March 1965 Knickerbocker
3297123 January 1967 Hutchins
3905460 September 1975 Greenwald et al.
3948376 April 6, 1976 Roman
4544081 October 1, 1985 Voegeli
Patent History
Patent number: D293592
Type: Grant
Filed: Mar 18, 1985
Date of Patent: Jan 5, 1988
Assignee: K-Jack Engineering Co., Inc. (Gardena, CA)
Inventor: Jack S. Chalabian (Huntington Beach, CA)
Primary Examiner: Bernard Ansher
Assistant Examiner: Theodore M. Shooman
Law Firm: Beehler, Pavitt, Siegemund, Jagger, Martella & Dawes
Application Number: 6/713,330
Classifications
Current U.S. Class: Coin Control Mechanism (D20/9)