Circuit breaker slide interlock

Description

FIG. 1 is a front and upper right perspective view of a circuit breaker slide interlock showing my new design. The broken lines showing of the circuit breakers and panel are included for the purpose of illustrating environmental elements only and forms no part of the claimed design;

FIG. 2 is a front elevational view of a circuit breaker slide interlock showing my new design on an enlarged scale;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a bottom plan view thereof, the top plan view thereof being a mirror image;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a front elevational view of a circuit breaker slide interlock showing a second embodiment of my new design. The broken lines showing of the circuit breakers and panel are included for the purpose of illustrating environmental elements only and forms no part of the claimed design;

FIG. 8 is a front and upper right perspective view thereof shown on a reduced scale;

FIG. 9 is a right side elevational view of a circuit breaker slide interlock showing the second embodiment on the same scale as FIG. 2;

FIG. 10 is a rear elevational view thereof; and,

FIG. 11 is a left side elevational view thereof.

The bottom plan view of the second embodiment is the same as that of the first embodiment illustrated in FIG. 4. The top plan view of the second embodiment is a mirror image of the bottom plan view of the second embodiment.

Referenced Cited
U.S. Patent Documents
2641671 June 1953 Koenig et al.
4876425 October 24, 1989 Woskow
4910365 March 20, 1990 Kuo
5021616 June 4, 1991 Hardt
5047598 September 10, 1991 Osika et al.
Foreign Patent Documents
2208454 March 1989 GBX
Patent History
Patent number: D331390
Type: Grant
Filed: May 16, 1990
Date of Patent: Dec 1, 1992
Assignee: Bass Products, Inc. (Salem, MA)
Inventor: Barnet Weinstein (Marblehead, MA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Law Firm: Wolf, Greenfield & Sacks
Application Number: 7/523,933